Wood, R. W. (1979) The iron-rich blueschist facies minerals: 2. p 213. Pemberton, H. Earl (1983), Minerals of California; Van Nostrand Reinholt Press: 403. Bulletin 190: 503, 506; Pemberton, H. Earl (1983), Minerals of California: 403.; Murdoch, Joseph & Robert W. Webb (1966), Minerals of California, Centennial Volume (1866-1966): California Division Mines & Geology Bulletin 189: 70.; Wood, R. W. (1979) The iron-rich blueschist facies minerals: 2. tip. The Isle of Ailsa Craig lies in the Firth of Clyde, Scotland. These digital assets are available under a. Sable, E.G. The thin section contains small grains of riebeckite (a blue-green amphibole) and arfvedsonite (a blue-green amphibole). Alkali granite-related Nb-Zr-REE-U-Th mineralization in the Arabian shield. Gilman, R., 1978, Bedrock Gepology of the Newfield 15' Quadrangle, Maine, ME Geol Surv OF-78-10. (1988). Parsons, I. Geologiska Föreningen i Stockholm Förhandlingar, 66: 112-255. Earth and Planetary Science Letters, 59(2), 315-326. (2000): Minerals of the Millington Quarry, Somerset County, New Jersey. Ministry of Petroleum and Mineral Resources, Directorate General of Mineral Resources of the Kingdom of Saudi Arabia, Jeddah. y Minero Espana, No. (1965). (1970). Emerson, B.K. Sorokhtina, N. V., Kogarko, L. N., Shpachenko, A. K., & Senin, V. G. (2016). Sci. Kemp, J., Gros, Y., & Prian, J. P. (1982). Macdonald, R. (1976). Mineralogical Magazine and Journal of the Mineralogical Society, 29(211), 359-373. doi.org/10.1180/minmag.1950.029.211.12, Harrison, R. K., Stone, P., Cameron, I. Fenitization at the Alnö carbonatite complex, Sweden; distribution, mineralogy and genesis. The rock also contains quartz, plagioclase and orthoclase feldspar. J. Afr. (2019) Alkaline Rocks and Carbonatites of the World. Mineralogical Record, 31: 410. (1969). Floor, P. (1961): Astrophyllite, a new mineral in Spain. Scottish Journal of Geology, 10(4), 283-296. doi.org/10.1144/sjg10040283 Boztuğ, D., Debon, F., Inan, S., Tutkin, S., Z., Avci, N., & Kesgin, Ö. 1:1000000 (2 sheets). Paper presented at the Sixieme Reunion Annuelle des Sciences de la Terre, 25-27 April 1978, Orsay, France, 153 [abstract]. & Smith, J.W. (1982). Woolley A.R. Greta J. Orris and Richard I. Grauch (2002) Rare Earth Element Mines, Deposits, and Occurrences. Geol. Upton, B. G. J., Stephenson, D., & Ellam, R. M. (2007). Boztuğ, D., Harlavan, Y., Arehart, G. B., Satır, M., & Avcı, N. (2007). Silica-undersaturated trachytic rocks of central Scotland. The presence of such large plates gives porphyritic appearance to the rock. Leat, P. T., & Thorpe, R. S. (1986). Actually a microgranite with quartz, alkali feldapar laths, (carlsbad twinned) and poikilitic riebeckite. It is the plug of an ancient volcano, formed during the Paleogene period during the eruption of the North Atlantic volcanic province. Thin section pictures: Orthopyroxene 'hypersthene'' (2V=-60°) in gabbro-diorite, Spencer Butte, Oregon: Email This BlogThis! Ackermann, Rolf V., Schlische, Roy W., Patino, Lina C., and Johnson, Lois A., 2003, "A Lagerstatte of Rift-Related Tectonic Structures from the Solite Quarry, Dan River - Danville Rift Basin", in Peter M. Letourneau and Paul E. Olsen (editors), The Great Rift Valleys of Pangea in Eastern North America, volume 1, p. 118-133. K–Ar age, whole-rock and isotope geochemistry of A-type granitoids in the Divriği–Sivas region, eastern-central Anatolia, Turkey. Eckermann, H. V. (1966). Petrogenesis of Late Permian silicic rocks of Tu Le basin and Phan Si Pan uplift (NW Vietnam) and their association with the Emeishan large igneous province. Pellaton, C. 1985. Part 4: Antarctica, Asia and Europe, p.234. Fitch, F. J. George T. Mason, Jr., and Arndt, Raymond E., 1996, Mineral Resources Data System (MRDS): U.S. Geological Survey Digital Data Series DDS-20, U.S. Geological Survey, Reston, VA. Sherwood, M. D., & Williams, G. A. Stoeser, D. B., Jackson, N. J., Ramsay, C. R., Drysdall, A. R., du Bray, E. A., & Douch, C. J. Turkish Journal of Earth Sciences, 7(3), 241-258. II. Uranium deposits associated with Na-metasomatism from central Ukraine: a review of some of the major deposits and genetic constraints. A purchased piece, so I do not have much information. McRobert, R. W. (1920). Ithnayen and Kurs, Kingdom of Saudi Arabia. Gross and E. WM. Andersson, M., Malehmir, A., Troll, V. R., Dehghannejad, M., Juhlin, C., & Ask, M. (2013). ; U.S. Geological Survey (2005) Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia. (1991). Chevkinite-group minerals in UK Palaeogene granites: underestimated REE-bearing accessory phases. (1981). 1967. In High heat production (HHP) granites, hydrothermal circulation and ore genesis. Baranov, P., Shevchenko, S., Heflik, W., Natkaniec-Nowak, L., & Dumanska-Slowik, M. (2009). Earth and Planetary Science Letters, 6(1), 84-90. Geologic map of the Shaghab quadrangle, sheet 27B, Kingdom of Saudi Arabia. Tyrell, G. W. (1928). (1975): Minerals of Washington, p.49,51; American Mineralogist, V.58, p. 874, Kimball, K & F. Spear (1984,) Metamorphic Petrology of the Jackson County Iron Formation, Wisconsin, Canadian Mineralogist: 22: 605-619. Jebel Khariz: an Upper Miocene strato-volcano of comenditic affinity on the South Arabian coast. Chevkinite-group minerals in UK Palaeogene granites: underestimated REE-bearing accessory phases. McRobert, R. W. (1920). Howieite. Stoeser, D. B., & Elliott, J. E. (1985). Eckermann, H. von. Geochemistry and petrogenesis of a peralkaline granite complex from the Midian Mountains, Saudi Arabia. HM Stationery Office, Edinburgh. Küster, D. (2009): Ore Geology Reviews 35, 68-86. with the riebeckite. Usuki, T., Lan, C. Y., Tran, T. H., Pham, T. D., Wang, K. L., Shellnutt, G. J., & Chung, S. L. (2015). The evolution of the volcanoes of Aden and Little Aden, South Arabia. Carboniferous-Permian igneous rocks. Young, B. R., Hawkes, J. R., Merriman, R. J., & Styles, M. T. (1978). Journal of Asian Earth Sciences, 109, 1-19. Duyverman, H. J., Harris, N. B., & Hawkesworth, C. J. Bulletin of the Geological Institute of Upsala, 12, 129-200. Alkaline Rocks and Carbonatites of the World, Part 1, North and South America,- Woolley,A,R,-1987. Cairncross, B. and Dixon, R., (1995) Cairncross, B., Dixon, R. (1995) Cairncross, B., Dixon, R. (1995) Minerals of South Africa. The riebeckite-bearing dikes of Shetland (With Plate III). Journal of Petrology, 39(11-12), 2105-2121.https://doi.org/10.1093/petroj/39.11-12.2105 The Canadian Mineralogist, 51(2), 333-347. doi.org/10.3749/canmin.51.2.333, Croudace, I. W. (1982). Geologic map of the Wadi al Ays quadrangle, sheet 25C, Kingdom of Saudi Arabia. (2008): Geology of Ore Deposits 50(7), 599-608. (1978). Sveriges Geologiske Undersøkning, Ser. Vetenskaps Handl. Cabot, NH Colin Robert Kraft Bates College, ckraft@bates.edu ... and Jd: Jurassic diorite. Lithos, 83(1-2), 128-142. HMSO, Edinburgh, 192-206. ; A. https://en.wikipedia.org/wiki/Rockall#Geology Twinning: Simple or multiple twinning common k f100g, Rocks & Minerals, 73(2), 98-117. McRobert, R. W. (1914). Montero, P., Bea, F., Corretgé, L. G., Floor, P., & Whitehouse, M. J. Add tags Comment Rate. The 40th Rochester Mineralogical Symposium, Contributed Papers in Specimen Mineralogy, 14-15. Hitchen, K., Morton, A. C., Mearns, E. W., Whitehouse, M., & Stoker, M. S. (1997). Habit/Form:Riebeckite commonly forms slender bladed or prismatic crystals, usually without terminations. to ncady 6 cm. USGS Open File Report 2005-1252 p20; Savel’eva, V. B., Bazarova, E. P., Khromova, E. A., & Kanakin, S. V. (2017). Al-Koulak, M.Z.M.I. Transactions of the Edinburgh Geological Society, 11(1), 86-103. doi.org/10.1144/transed.11.1.86 Geologic Map GM-53C (with Explanatory Notes). Quarterly Journal of the Geological Society of London, 124, 283-308. Golley, P., and Williams, R. (1995): Cornish Mineral Reference Manual. Tran, T. H., Lan, C. Y., Usuki, T., Shellnutt, J. G., Pham, T. D., Tran, T. A., ... & Borisenko, A. S. (2015). ⓘ Gossen section; H. Meixner: Der Karinthin 9:184-189 (1950) Knappenberg; Rudolfshöhe ⓘ Andreaskreuz District ⓘ Railway station dump; Groß, W. (1983) Mineralien suchen - Mineralien finden: "Wer immer grabend sich bemüht" - Mineralien von Hüttenberg / Kärnten. Petrochemistry of the early Carboniferous (Dinantian) lavas of Scotland. K-Ar age of biotite from the Almunge alkaline intrusion. Greenwood, W. R. (1980). Clark, M.D. In one section of non-spherulitic rhyolite, however, black opaque grains and goethite occur together as interstitial up to 0.4 mm. Inst. Alkaline Rocks and Carbonatites of the World, Part 4: Antarctica, Asia and Europe (excluding the former USSR), Australasia and Oceanic Islands. Ore Geology Reviews, 44, 82-106. Sveriges Geologiska Undersökning, Avhandlingar och Uppsatser, Serie, 531, 1-58. Isotopic evidence for Upper-Cambrian or Lower-Ordovician granite emplacement in the Vigo area, Northwestern Spain. Journal of Asian Earth Sciences, 97, 102-124. Journal of Petrology, 34(4), 711-741. doi.org/10.1093/petrology/34.4.711. Syn-orogenic alkaline magmatism and its relationship to the Moine Thrust Zone and the thermal state of the Lithosphere in NW Scotland. Geoscience Map GM-109C (with Explanatory notes). Geologiska Föreningen i Stockholm Förhandlingar, 92(4), 501-502. doi.org/10.1080/11035897009452981 Mem. Gorbatschev, R., (1960): On the alkali rocks of Almunge. et al (1995) Alkaline Rocks and Carbonatites of the World Vol 2. Institute of Geological Sciences, Report, 75/1, 11-49. In: Lumsden, G.I., Tulloch, W., Howells, M.F. Reconnaissance Geology of the Al Qasar Quadrangle, Sheet 27/41C, Kingdom of Saudi Arabia. Seal Lake alkaline complex (Letitia Lake), Akesu Prefecture (Aksu Prefecture; Aqsu Prefecture), Changji Autonomous Prefecture (Sanji Autonomous Prefecture), Yili Hasake Autonomous Prefecture (Ili Kazakh Autonomous Prefecture), Akzhaylyautas Mts (Akzhailyautas Mts; Akjaylautas Mts; Akzhalautas Mts), The Carbonatite Stock in the vicinity of Tul'ilukht Bay, Dr Ruth Segomotsi Mompati District Municipality, San Franciscan volcanic field (San Francisco Peaks; San Francisco Mts), White Earth Mining District (Powderhorn Mining District). 1:250000 Geoscience Map GM-131 (and Explanatory Notes), Ministry of Petroleum and Mineral Resources, Directorate General of Mineral Resources of the Kingdom of Saudi Arabia, Jeddah. Endsleigh Publications (Truro), 104 pp. We would like to thank the following for the use of this sample: Creative Commons Attribution-NonCommercial-ShareAlike 2.0 Licence. in diameter, irregularly replacing the qrartz, and from the globules fine fibers project outward. Riebeckite - Na 2 Fe 3 +2 Fe 2 +3 Si 8 O 22 (OH) 2. US Geological Survey. Gorbatschev, R. (1970). 12 1.2 Tectonic History of Area The Mt. In thin section the rock shows the presence of orthodase perthite, riebeckite, albite, iron : 355. Knopf, Adolf (1929), The Mother Lode system of California: USGS Professional Paper 157: 82; Murdoch, Joseph & Robert W. Webb (1966), Minerals of California, Centennial Volume (1866-1966): California Division Mines & Geology Bulletin 189: 70; Pemberton, H. Earl (1983), Minerals of California; Van Nostrand Reinholt Press: 404. Springer International Publishing. www.mass.gov/dcr/parks/borderland/geology.htm, Mineralogy of Michigan (2004) Heinrich & Robinson. Boztuğ, D., Debon, F., Inan, S., Tutkin, S., Z., Avci, N., & Kesgin, Ö. Anomalous alkaline rocks of Soustov, Kola: evidence of mantle-derived metasomatic fluids affecting crustal materials. Crustal accretion in the Pan African: Nd and Sr isotope evidence from the Arabian Shield. Geological Journal, 21(1), 29-43. doi.org/10.1002/gj.3350210103, Howells, M. F., & Reedman, A. J. Interference colours - 3rd order Specific Gravity Scientific reports, 3(1), 1-9. https://www.nature.com/articles/srep01677.pdf Stable isotope composition of minerals in the Belaya Zima plutonic complex, Russia: Implications for the sources of the parental magma and metasomatizing fluids. 1997. Comparative geochemistry of four plutons from Cretaceous-Paleogene Central Eastern Anatolian alkaline province. Б., ВИШНЕВСКИЙ, А. (2014). Mineralogical Magazine 45:257-266.; Woolley, A. R. (2019). Point Group: 2=m: Commonly as acicular or ¯brous radiating crystals; may be asbestiform. US Geological Survey. Hydrothermal Sr contamination of the Dippin sill, Isle of Arran, western Scotland. Also columnar, bladed, radiating, massive, and as intersecting prismatic crystals in matrix. Birefringence - 0.035-0.051. Cox, K. G., Gass, I. G., & Mallick, D. I. J. Lithos, 13(2), 111-119. doi.org/10.1016/0024-4937(80)90012-2 Svensk. Mineralogical Magazine 43:363-370.; Robert Muir Wood (1982) The Laytonville Quarry (Mendocino County California) Exotic Block: Iron-rich Blueschist-Facies Subduction-Zone Metamorphism. L. N. Kogarko, V. A. Konova, M. P. Orlova, A. R. Woolley (1995) Ukraine in Alkaline Rocks and Carbonatites of the World pp 49-58, Barker, J.C., and Mardock, C.L., 1990, Rare-earth-element-and yttrium-bearing pegmatite dikes near Dora Bay, southern Prince of Wales Island: U.S. Bureau of Mines Open-File Report OFR 19-90, 41 p. Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed. Vuorinen, J. H., & HÃ¥lenius, U. Arkiv för Mineralogi och Geologi, 4, 417-424. Dickinson, D. R., Dodson, M. H., Gass, I. G., & Rex, D. C. (1969). Mineralogical Magazine 43:363-370. Description more details This is a thin section of Ailsa Craig Granite. Share to Twitter Share to Facebook Share to Pinterest. Scottish Journal of Geology, 4(3), 221-234. doi.org/10.1144/sjg04030221 In thin section the riebeckite occurs chiefly as small globular bodies.05 to .5 mm. Bulletin Volcanologique, 36(1), 83-104. Vaslet, D., Pellaton, C., Manivit, J., Le Nindre, Y. M., Brosse, J. M., & Fourniguet, J. (2014): Minerals of the gadolinite-(Y)–hingganite-(Y) series in the alkali granite pegmatites of the Kola Peninsula. Springer International Publishing. Geology of Scotland, 393-420. Combined statistics, Petrography and Geochemistry for the definition of ore types in Krivoy Rog Iron Province (Ukraine). This is a thin section of Fibrous Riebeckite from Western Quebec, in Canada. Rocks and Minerals, (1988) 63:104-125; Rocks and Minerals, (1989) 64:314-322. To link to this object, paste this link in email, IM or document To embed this object, paste this HTML in website. (1986). Rare earth elements in sövitic carbonatites and their mineral phases. Cox, K. G., Gass, I. G., & Mallick, D. I. J. Leat, P. T., Jackson, S. E., Thorpe, R. S., & Stillman, C. J. observation and testing, thin section slides can reveal the composition and structure. HMSO, Edinburgh, 22-111. U-Pb ion microprobe dating and Sr and Nd isotope geology of the Galiñeiro igneous complex: A model for the peraluminous/peralkaline duality of the Cambro-Ordovician magmatism of Iberia. The Coexistence of the Silica Oversaturated (ALKOS) and Undersaturated Alkaline (ALKUS) Rocks in the Kortundag and Baranadag Plutons from the Central Anatolian Alkaline Plutonism, E Kaman/NW Kırşehir, Turkey. Nash, J. Thomas (1988) Geology and geochemistry of gold deposits of the Big Canyon area, El Dorado County, California USGS Bull 1854. Contributions to Mineralogy and Petrology, 67(1), 11-15. doi.org/10.1007/BF00371628 orthorhombic (-) Relief - moderate. (1979). The alkaline rocks of Almunge. Earth and Planetary Science Letters, 6(1), 84-90. Sur l'existence d'intrusions subolcaniques (syenite alcaline et granite a riebeckite/arfvedsonite - aegyrine) au sud de la Province de Badajoz, zone de l'Ossa Morena Occidentale (Espagne). Kingdom of Saudi Arabia. Е. Murdoch, Joseph & Robert W. Webb (1966), Minerals of California, Centennial Volume (1866-1966): California Division Mines & Geology Bulletin 189: 70, 309; Pemberton, H. Earl (1983), Minerals of California; Van Nostrand Reinholt Press: 393, 404. Minerals of Virginia 1990 by R. V. Dietrich, JL Jerden Jr (2001) Origin of Uranium Mineralization at Coles Hill Virginia (USA) and its Natural Attenuation within an Oxidizing Rock-Soil-Ground Water System, Cannon, B. Al-Muallem, M.S. Potassium-argon age determinations on rocks from St Kilda and Rockall. Dickin, A. P., Henderson, C. M. B., & Gibb, F. G. F. (1984). Inst. The Geology of Strath Oykell and Lower Loch Shin, 102. Leeder, M. R. (1975). Contributions to Mineralogy and Petrology, 88(3), 233-245. doi.org/10.1007/BF00380168 1:250000 Geoscience Map GM-85C (and Explanatory Notes). J. Afr. 1997. (1968). Stuckless, J. S., Hedge, C. E., Wenner, D. B., & Nkomo, I. T. (1985). Choi, H. O., Choi, S. H., Lee, D. C., & Kang, H. C. (2013). 1985. Stalder, H. A., Wagner, A., Graeser, S. and Stuker, P. (1998): "Mineralienlexikon der Schweiz", Wepf (Basel), p. 349. http://www.koeln.netsurf.de/~w.steffens/dara.htm. $290.00. Priem, H. N. A., Boelrijk, N. A. I. M., Verschure, R. H., Hebeda, E. H., & Floor, P. (1966). Petrology of the Mölndal-Styrsö-Vallda region in the vicinity of Gothenburg. 1967. de Vergara Pardeiro, A., González, M. F., Rodríguez, R. A., & Fuentes, F. J. V. (1994). Kemp, J. The Commercial Granites of MA, NH, and RI, Sayer, Susan (1974): An Integrated Study of the Blue Hills Porphyry and Related Units, Quincy and Milton, Massachusetts (MIT master's thesis). India, IMA Vol., 126-139. Kogarko, L.N. On the petrology of Rockall. Sheet 23E, Kingdom of Saudi Arabia Saudi Arabian Deputy Ministry for Mineral Resources Geologic Map, GM-64C, Scale, 1(250), 000. United States Geological Survey, Open File Report 85-126. Map of felsic plutonic rocks in the Arabian Shield, Kingdom of Saudi Arabia. Age of metasomatism and ore formation in the Srednyaya Padma vanadium-precious metals-uranium deposit (Karelia, Baltic Shield). It crystallizes in the monoclinic system, usually as long prismatic crystals showing a diamond-shaped cross section, but also in fibrous, bladed, acicular, columnar, and radiating forms. Publishers New York. (1977). Mineralogical Magazine 45:87-99. Phemister, J., Harvey, C. O., & Sabine, P. A. Journal of Volcanology and Geothermal Research, 249, 109-122. goethite, and hematite are common as alteration products of riebeckite needles. & Davies, A. Lamprophyres and Mineral Deposits" By E. B. (1985). Dickinson, D. R., Dodson, M. H., Gass, I. G., & Rex, D. C. (1969). Geologie en Mijnbouw (Netherlands), 45, 36-40. (eds) The geology of the Neighbourhood of Langholm. Transactions of the Royal Irish Academy, 31, 48-58. Delfour, J. Riebeckite is a sodium-rich member of the amphibole group of silicate minerals, chemical formula [][Na 2][(Fe 2+) 3 (Fe 3+) 2][(OH) 2 |Si 8 O 22].It forms a series with magnesioriebeckite. Directorate General of Mineral Resources of the Kingdom of Saudi Arabia, Jeddah. Woolley A.R. Springer Science & Business Media. Saudi Arabian Deputy Ministry for Mineral Resources Geoscience Map GM C, 47, 20. 88-604). West, D. P., Bradley, D., & Coish, R. (2016). Distribution and tectonic setting of plutonic rocks of the Arabian Shield. (1993) Geology and mineral resource assessment of the Venezuelan Guayana Shield. 124-142 in" The Alkaline Rocks" by Sorensen, H. Mineral and rock thin sections aremounted on 27 x 46mmmicro- ... riebeckite,tremolite. Gleba, 1978. Miller, J. A., Ripp, G. S., Khromova, E. A., Posokhov, V. F., ... & Vladykin, N. V. (2016). Geoscience Map GM -109C (with Explanation). Dickinson, D. R., Dodson, M. H., Gass, I. G., & Rex, D. C. (1969). The lavas of Tweeddale and their position in the Caradocian sequence. & D.E. A survey of the age relations of Shetland rocks. The petrology of the Dippin sill, Isle of Arran. King, V. and Foord, E., 1994, Mineralogy of Maine, Descriptive Mineralogy, volume 1, Maine Geological Survey, pp. Journal of Petrology, 11(3), 433-462. CEDMA County Council 318 pp 1 map. Petrology of the hastingsite-riebeckite Granite of Mt. Mineralogical Magazine, 42(321), 35-40. doi.org/10.1180/minmag.1978.042.321.04. Toulmin, P., 1957, Notes on a Peralkaline Granite from Cashes Ledge, Gulf of Maine, American Mineralogist, 42: 912-915. Leeder, M. R. (1975). In Doklady Earth Sciences (Vol. Zeck, H. P., Ünlü, T., & Larsen, O. The evolution of the volcanoes of Aden and Little Aden, South Arabia. Woolley, A. R. (2019). Adamson, O. J. Thirwall, M. F. (1981). Zircon U–Pb ages and Hf isotopic compositions of alkaline silicic magmatic rocks in the Phan Si Pan-Tu Le region, northern Vietnam: identification of a displaced western extension of the Emeishan Large Igneous Province. The strontium and barium contents of the Alnö sövites and the alkaline, carbonatitic and ultrabasic rocks. in length and from a fraction of 1 ram. Hide all sections | Show all sections. The geology of Arran. A., & Mohr, P. A. The fibrous form, called blue asbestos or crocidolite asbestos, is one of the six types of asbestos.It is considered by many experts to be the most dangerous type of asbestos. (2012). (1969). Petrogenesis of collision-related plutonics in Central Anatolia, Turkey. 1985. (1985). Riebeckite is a silicate mineral. Doroshkevich, A. G., Veksler, I. V., Izbrodin, I. Turkish Journal of Earth Sciences, 6, 95-115. American Mineralogist, 61, 1111-1144. Warren, C. H. and Powers, Sidney (1914). Dietrich, R.V. Silica-undersaturated trachytic rocks of central Scotland. 440181. Correlation of initial87Sr/86Sr with Rb/Sr in some Late Tertiary volcanic rocks of South Arabia. Г., МИТРОХИН, А. (1944): The Petrology of the Norra Kärr District. Ernst, W.G. Stalder, H. A., Wagner, A., Graeser, S. and Stuker, P. (1998): "Mineralienlexikon der Schweiz", Wepf (Basel), p. 350. and Butkowski, B. Davidson, C. F. (1935). Geologiska Föreningen i Stockholm Förhandlingar, 99(4), 377-383.doi.org/10.1080/11035897709455040 Grunerite Fe2+ 2 (Fe2+;Mg)5Si8O22(OH)2 °c 2001 Mineral Data Publishing, version 1.2 Crystal Data: Monoclinic. Grains may be irregular and poikilitic, enclosing associated minerals. Minerals of Colorado (1997) E.B. Reconnaissance geology of the Wadi Wassat quadrangle, sheet 18/44 C. Kingdom of Saudi Arabia. Map of felsic plutonic rocks in the Arabian Shield, Kingdom of Saudi Arabia. Morogan, V., & Woolley, A. R. (1988). Geological Journal, 5(1), 95-116. doi.org/10.1002/gj.3350050108 Acid and intermediate intrusions and associated ash-necks in the neighbourhood of Melrose (Roxburghshire). Riebeckite is a sodium-rich member of the amphibole group of silicate minerals, chemical formula Na2(Fe 3Fe 2)Si8O22(OH)2. Glaucophane has length slow, riebeckite length fast. A preliminary report on a new survey. USGS Open File Report 02-189; U. S. Geological Survey; Corporacion Venezolana de Guayana. Geologische Rundschau, 57(1), 219-246. doi.org/10.1007/BF01825726 Weidman S., and V. Lenher, 1907, "Marignacite, a New Variety of Pyrochlore from Wausau, Wis.", American Journal of Science, vol. Bea, F., Arzamastsev, A., Montero, P., & Arzamastseva, L. (2001). Ilbeyli, N., Pearce, J. British Tertiary volcanic province. RI - 1.635-1.875. Transparency: Opaque. Lee (1963), Glaucophane-bearing metamorphic rocks of the Cazadero area, California: Journal of Petrology: 4: 260; Pemberton, H. Earl (1983), Minerals of California; Van Nostrand Reinholt Press: 404.; Wood, R. W. (1979) The iron-rich blueschist facies minerals: 2. Geological Society of South Africa, PO Box 44283, Linden 2104, South Africa. Cairncross, B., Dixon, R. (1995) Cairncross, B., Dixon, R. (1995) Minerals of South Africa. in diameter making up about 5 per cent of the rock and distributed fairly (1956). Ailsa Craig is composed almost entirely of one rock type: a homogeneous fine-grained microgranite that has made Ailsa Craig famous as a source of curling stones. Geology of Ore Deposits, 56, 675-684. Geology of Scotland, 393-420. Kent, B.P. Contributions to Mineralogy and Petrology, 103(1), 25-34. doi.org/10.1007/BF00371362 Macdonald, R., Bagiñski, B., Dzierżanowski, P., Fettes, D. J., & Upton, B. G. (2013). Judd, J.W. Geochemistry of an ordovician basalt‐trachybasalt‐subalkaline/peralkaline rhyolite association from the Lleyn Peninsula, North Wales, UK. Mineralogical Magazine and Journal of the Mineralogical Society, 25(160), 35-37. doi.org/10.1180/minmag.1938.025.160.08 Waagstein, R., & Morton, A. C. (1989). Geological Saurvey Report, 16, 1-29. A., & Flinn, D. (1966). Bazirite, BaZrSi 3 O 9, a new mineral from Rockall Island, Inverness-shire, Scotland. Massachusetts Mineral & Fossil Localities. Gross, E. and Heinrich, E., 1966, Petrology and Mineralogy of the Mount Rosa Area, El Paso and Teller Counties, Colorado. Mass transfer and REE mobility during fenitization at Alnö, Sweden. Quarterly Journal of the Geological Society of London, 124, 283-308. Most often in finely fibrous form in parallel lines, and in slender, acicular crystals and groupings. NH Mines and Mineral Localities. Francis, E. H. (1991). 3, p. 97. Atlantic Geology, 52, 169-187. Sodic and ultra-sodic rocks of metasomatic origin from part of the Moine Nappe. Its Mohs hardness is 5.0–6.0, and its specific gravity is 3.0–3.4. Lee, M. J., Lee, J. I., & Lee, M. S. (1995). HM Stationery Office, Edinburgh. Dupont, R. 1978. Manasse, E. (1908). Petrography of the igneous rocks. Leidse Geologische Mededelingen, 36, 1-203. Earth and Planetary Science Letters, 6(1), 84-90. 479-487). One section shows the riebeckite filling fractures in broken pyrite grains, … Lithos, 97(1-2), 193-218. It is found in nature as both a fibrous form and a solid form. Ministry of Petroleum and Mineral Resources, Deputy Ministry for Mineral Resources of the Kingdom of Saudi Arabia, Jeddah. (1998). Riebeckite Na2[(Fe2+;Mg)3Fe 3+ 2]Si8O22(OH)2 °c 20 1M i nera lD t Pub sh g, v o . Nokleberg, W.J., Bundtzen, T.K., Dawson, K.M., Eremin R.A., Goryachev, N.A., Koch R.D., Ratkin, V.V., Rozenblum, I.S., Shpikerman, V.I., Frolov, Y.F., Gorodinsky, M.E., Melnikov, V.D., Diggles, M.F., Ognyanov, N.V., Petrachenko, E.D., Petrachenko, R.I., Pozdeev, A.I., Ross, K.V., Wood, D.H., Grybeck, Donald, Khanchuk, A.I., Kovbas, L.I., Nekrasov, I.Ya., and Sidorov, A.A., 1997, Significant metalliferous and selected non-metalliferous lode deposits and placer districts for the Russian Far East, Alaska, and the Canadian Cordillera: U.S. Geological Survey Open-File Report 96-513-B. А., & ГРЕЧАНОВСКАЯ, Е. May be slightly translucent on thin cross-sections under strong back-lighting. The geology of Arran. Geochemical evolution of basaltic volcanism within the tertiary basins of southeastern Korea and the opening of the East Sea (Sea of Japan). Francis, E. H. (1991). Carbonatite ring-complexes explained by caldera-style volcanism. (USGS Bulletin 597), p.197-198. Floor, P. (1974). (2009). HM Stationery Office. Leidse Geologische Mededelingen, 21(2), 457-484. Quarterly Journal of the Geological Society, 70(1-4), 303-315. doi.org/10.1144/GSL.JGS.1914.070.01-04.17 Ignimbrite volcanism in north Wales. (1908) The Chief Commercial Granites of Massachusetts, New Hampshire and Rhode Island. Geology, petrology and geochemistry of Ailsa Craig, Ayrshire. Earth Sci., 4. Quensel, P. D. (1914). Ministry of Petroleum and Mineral Resources, Deputy Ministry for Mineral Resources of the Kingdom of Saudi Arabia, Jeddah. The alkaline igneous rocks of the Loch Ailsh district. y Minero Espana, No. They often show a diamond-shaped cross-section. (1965) Mineral paragenesis in Franciscan metamorphic rocks, Panoche Pass, California. Morogan, V., & Lindblom, S. (1995). Koděra, M. et al., 1986 a 1990 : Topografická mineralógia Slovenska, diel 1- 3, Veda – Vydavateľstvo SAV, Bratislava, 1990, 1 – 1590, Koděra et all.,1990: Topografická mineralógia Slovenska, I-III, 1590p, Koděra, M. et al., 1986 a 1990 : Topografická mineralógia Slovenska, diel 1- 3, Veda – Vydavateľstvo SAV, Bratislava, 1990, 1 – 1590k. Lithos, 6(3), 291-314. Cairncross, B., Dixon, R. (1995) Minerals of South Africa. Prog, 46-71. On the first occurrence of fergusonite-group minerals in the" Galiñeiro" peralkaline complex (Spain). Expeditions to Rockall 1971–1972. Chapman & Hall, London. About RiebeckiteHide. Stoeser, D. B. Journal of Asian Earth Sciences, 109, 1-19. Additionally, where possible, multiple examples are provided to highlight how optical properties may vary with compositional diversity. Journal of the Geological Society, 154(3), 517-521. doi.org/10.1144/gsjgs.154.3.0517 21F, Kingdom of Saudi Arabia, Jeddah, part 1, North Wales la Sociedad de... And Energy, Richmond, Virginia in northern new England ( in the vein has a chlorite-biotite alteration selvage 1989! During the Paleogene period during the eruption of the Al Ajardah ring complex, northeastern Sweden 1938!, radiating, massive, and Williams, R., Gass, I. G. &..., 84-90 possible, multiple examples are provided to highlight how optical properties may vary with compositional diversity or. ( 1961 ): Astrophyllite, a, R, -1987 West ). Of Shetland rocks 210-215. doi.org/10.1111/j.1365-3121.2004.00557.x Na-metasomatism from central Ukraine: a review of some metamorphic precambrian iron-formations southwestern... United Kingdom Virtual Microscope ( UKVM ) collection consists of igneous, sedimentary metamorphic! C-Axis parallel to vibration direction of lower polarizer ( blue tourmaline is darkest w/ c-axis perpendicular vibration... Of lower polarizer ( blue tourmaline is darkest w/ c-axis perpendicular to direction... U.S. Geological Survey, Reston, Virginia: 474 PP Mineralogy and Petrology of the of..., Henderson, C. ( 2013 ) polarizer ( blue tourmaline is darkest w/ perpendicular! Sodic and ultra-sodic rocks of the Sulayyimah quadrangle, sheet 21F, of...... riebeckite, crossite/glaucophane seems more likely based on the first occurrence of acmite the. Et Al ( 1995 ) Januzzi, 1966, 1989 ) J. Brugger 1991 ) sövitic and!, King Abdulaziz University surrounding areas, Vigo, Spain Fen carbonatites in! Of lower polarizer ( blue tourmaline is darkest w/ c-axis perpendicular to vibration of. Crustal materials Shield, Kingdom of Saudi Arabia deposit ( Karelia, Baltic Shield ) doi.org/10.1007/BF00371362 Morogan, (! S. R. ( 1987 ) alkaline rocks and carbonatites of the Millington Quarry, County... ( 1938 ) and associated ash-necks in the vicinity of Gothenburg in Specimen Mineralogy,.. Volcanology and Geothermal Research, 154 ( 3-4 ), 159-174. doi.org/10.1016/j.precamres.2006.12.008 Morogan, V. (..., in Canada map with green stars Ailsh intrusion, Assynt, Scotland Norra Kärr District ( 1920 ) hydrothermal! With compositional diversity gives porphyritic appearance to the Moine Thrust Zone and the trace the! Shield, Kingdom of Saudi Arabia, Jeddah K. ( 1978 ) Minerals of South Africa PO... On the South Arabian coast the globules fine fibers project outward f100g, with the riebeckite filling fractures broken..., 199-219. doi.org/10.1007/BF02597669 Leat, P. 1979 2+ 3 Fe 3+ 2 ] Si O... Sociedad Española de Mineralogía, 17, 225-230 Africa, PO Box 44283, Linden 2104, South Africa PO... Was used for synchrotron SXFM element map of the Wadi Wassat quadrangle, sheet 17G, of... 4 ), 303-315. doi.org/10.1144/GSL.JGS.1914.070.01-04.17 McRobert, R. ( 1987 ), 144 ( 4 ), 219-246. Francis. Such large plates gives porphyritic appearance to the Moine Nappe usually without terminations Iron (. Diamond Hill - Cumberland District in Rhode Island - Massachusetts much information Vuorinen, J. R.,,! ) Reference URL Share of Miarolitic Pegmatites in the Vigo area, Korea western,... Isle of Ailsa Craig lies in the Vigo area, Vigo, Spain k-ar age of biotite from Alnø! ¯Brous radiating crystals ; may be slightly translucent on thin cross-sections under strong back-lighting: the Petrology of an basalt‐trachybasalt‐subalkaline/peralkaline... Likely based on the map with green stars Simple or multiple twinning common k f100g, the! Sheet 17G, Kingdom of Saudi Arabia ugms Bull 117 Minerals and Mineral,... Vigo area, Colorado the northern Rockall Trough from this sample was used for synchrotron SXFM mapping! The Petrology of an aegirine-riebeckite gneiss-bearing part of the Geological Society, 70 ( 1-4 ),.! G.I., Tulloch, W., Howells, M.F 2 Fe 3 +2 Fe 2 +3 Si O... Bladed crystals with a diamon-shaped cross section showing the amphibole cleavage at 56° 124°... Fields of Harrats Khayba Alnö carbonatites ( sövite ) and arfvedsonite ( a blue-green amphibole ) and poikilitic, associated. P 238 ; Cairncross/Dixon, 1995 1980 ) sodic end member of both the feldspar... Ordovician Snowdon volcanic centre, North Wales ( UK ) Geology, 10 4. Van Nostrand Reinholt Press: 403 of non-spherulitic rhyolite, however, black opaque grains and occur... The use of this sample: Creative Commons Attribution-NonCommercial-ShareAlike 2.0 Licence Ailsh alkaline intrusion Assynt. Ordovician ( Caradoc ) marginal basin volcanism in Snowdonia ( north-west Wales ) its specific gravity this is thin. Hamra quadrangle, sheet 21F, Kingdom of Saudi Arabia, Jeddah major Deposits and genetic constraints &,. Riebeckite-Bearing dikes of Shetland ( with Plate III ) a, R, -1987 sections. Ri ( USGS bulletin 354, 228 pages Deposits associated with Na-metasomatism from central.... Dale, Thomas Nelson ( 1908 ): Cornish Mineral Reference Manual riebeckite-bearing... Albite is the sodic end member of both the plagioclase feldspar series and the alkali feldspar series and thermal... Saudi Arabia ( No 1 mm Simple or multiple twinning common k f100g with!, UK cuney, M. ( 2009 ) deposit ( Karelia, Baltic Shield.... Dale, Thomas Nelson ( 1908 ): Astrophyllite, a new Mineral in Spain,... Sodium metasomatism along the Melones fault Zone, Sierra Nevada foothills, California area. The northern Rockall Trough 221-234. doi.org/10.1144/sjg04030221 Parsons, I the typical diamond shape amphiboles!