Skarns or tactites are coarse-grained metamorphic rocks that form by replacement of carbonate-bearing rocks during regional or contact metamorphism and...
16 KB (1,898 words) - 17:05, 7 November 2023
Hedenbergite (section Occurrence in skarns)
hedenbergite. This mineral is unique because it can be found in chondrites and skarns (calc–silicate metamorphic rocks). Since it is a member of the pyroxene...
9 KB (962 words) - 23:28, 22 July 2024
The occurrence of large specimen crystals is most common in pegmatites, skarns, and granite greisens. Rutile is found as an accessory mineral in some altered...
13 KB (1,319 words) - 14:41, 9 June 2024
(1992). "Skarns and Skarn Deposits". Geoscience Canada. 19 (4). ISSN 1911-4850. Einaudi, M. T.; Meinert, L. D.; Newberry, R. J. (1981). "Skarn Deposits"...
60 KB (5,468 words) - 13:28, 8 October 2024
pegmatites. It also occurs in metamorphic rocks such as gneiss and schists and skarns. Source localities include: Pakistan; Italy; Russia; China; Brazil; Tujetsch...
11 KB (991 words) - 01:45, 18 September 2024
hardship ordeal difficulty difficultās PGmc *hatojanan PGmc *laiþojanan PGmc *skarn- (Frankish *skern) hate loathe scorn detest de- + testari PGmc *hauhiþa...
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found in a variety of metamorphic rocks, such as in contact metamorphosed skarns developed from high silica dolomites. It is an important mineral in the...
10 KB (1,043 words) - 00:44, 20 April 2024
naturally as the mineral eskolaite, which is found in chromium-rich tremolite skarns, metaquartzites, and chlorite veins. Eskolaite is also a rare component...
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environment is in serpentinized dolomitic limestone and contact metamorphosed skarns. It occurs with talc, spinel, grossular, vesuvianite, clinopyroxene, monticellite...
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United States. It occurs in iron-manganese ore deposits and their related skarns. It also occurs in metamorphosed manganese-rich sediments. It occurs in...
4 KB (226 words) - 04:07, 13 January 2024
Cornwall, England. It occurs in hydrothermal veins, in basalt vesicles, skarns, amphibolite and serpentinite. Associated minerals include celadonite, chlorite...
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Its name is derived from Spessart in Bavaria. It occurs most often in skarns, granite pegmatite and allied rock types, and in certain low grade metamorphic...
53 KB (5,147 words) - 16:03, 7 October 2024
Northern Territory Geological Survey, ISBN 0-7245-7107-8 McKay, A.D. & Meiitis, Y. (2001), Australia's uranium resources, geology and development of deposits...
46 KB (4,828 words) - 03:45, 16 September 2024
graphite, zircon, titanite, and corundum as well as in chromium-rich tremolite skarns, metaquartzites, and chlorite veins. Due to its rare geologic occurrence...
12 KB (1,530 words) - 16:52, 5 December 2023
(9): 997–1004. doi:10.1258/ebm.2011.011101. PMID 21844119. S2CID 30646787. Skårn M, Namløs HM, Noordhuis P, Wang MY, Meza-Zepeda LA, Myklebost O (April 2012)...
148 KB (16,812 words) - 07:53, 10 October 2024
variety of rocks, including granulite and amphibolite facies, calc-silicate skarns, and quartzites; it is also known from xenoliths. Associated minerals include:...
8 KB (698 words) - 19:58, 29 September 2024
tensor and normalized source strength applied to the Tallawang magnetite skarn deposit, New South Wales, Australia". SEG Technical Program Expanded Abstracts...
51 KB (5,368 words) - 10:16, 2 July 2024
borate mineral: Mg2FeBO5. Ludwigite typically occurs in magnesian iron skarn and other high temperature contact metamorphic deposits. It occurs in association...
3 KB (129 words) - 21:28, 18 January 2024
compositions. Magnesite can also be formed by way of metasomatism in skarn deposits, in dolomitic limestones, associated with wollastonite, periclase...
34 KB (3,919 words) - 19:16, 22 June 2024
magnetite in streams leading from these volcanic formations. Some magnetite skarn and hydrothermal deposits have been worked in the past as high-grade iron...
55 KB (7,043 words) - 16:31, 16 September 2024
deposits. Also, some gold occurs along with copper in Cenozoic iron-oxide skarn and replacement deposits along the Pacific. In addition to gold and silver...
89 KB (9,573 words) - 00:43, 3 October 2024
207-210, https://doi.org/10.1130/G45448.1 2017, Lesher CM, Roles of residues/skarns, xenoliths, xenocrysts, xenomelts, and xenovolatiles in the genesis, transport...
9 KB (1,121 words) - 19:35, 6 October 2024
deposits from locally metamorphosed dolomite. It is also found associated with skarn and serpentinite. It was discovered in 1817 at Pargas in Finland, and named...
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The Marañón fold and thrust belt (Spanish: faja corrida y plegada del Marañón) is a 1,000 kilometres (620 mi) long, northwest–southeast trending belt...
5 KB (544 words) - 18:42, 27 February 2024
represented by mantles, chimneys and disseminations in both the intrusive and the skarn. The Molango mining district is located in the northeastern portion of Hidalgo...
66 KB (6,309 words) - 16:46, 29 September 2024
Mineralisation from the Heemskirk Granite with cassiterite or tin and tungsten skarn, or silver lead and zinc veins occur in the Zeehan field. The Pieman Granite...
80 KB (11,155 words) - 08:47, 14 July 2024
is the tungsten that can be obtained from skarns with scheelite and wolframite-bearing quartz veins. Skarns are associated to marble and amphibolite host...
8 KB (877 words) - 04:07, 1 July 2024
A.P. and Askins, P.W. (1981) Geology and genesis of the F-Sn-W(-Be-Zn) skarn (wrigglite) at Moina, Tasmania. Economical Geology, 76, 439–467 Mindat.org...
6 KB (590 words) - 03:19, 24 January 2024
hornblende, magnetite, monzodiorite, pyroxene, titanite and tonalite. Skarn and mineral deposits formed within the monzonite as well. Located close...
13 KB (1,562 words) - 04:57, 22 July 2024
California and Sierra Nevada batholiths, California, US Langban, Sweden, in skarn In a xenolith in diorite porphyry in the Mount Hilliers complex, Henry Mountains...
9 KB (834 words) - 05:11, 26 November 2022