generally aphanitic matrix or groundmass. In its non-geologic, traditional use, the term porphyry usually refers to the purple-red form of this stone,...
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up porphyry in Wiktionary, the free dictionary. Porphyry (/ˈpɔːrfɪri/; Greek: Πορφύριος, Porphyrios "purple-clad") may refer to: Porphyry (geology), an...
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Porphyry copper deposits are copper ore bodies that are formed from hydrothermal fluids that originate from a voluminous magma chamber several kilometers...
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new model for the optimal structural context for giant porphyry copper deposit formation". Geology. 49 (5): 597–601. Bibcode:2021Geo....49..597P. doi:10...
33 KB (3,698 words) - 22:45, 21 December 2024
lithosphere Porphyry (geology) – Movement of Earth's lithosphere Proterozoic – Geologic eon, 2500–539 million years ago Regression (geology) – Geologic event...
6 KB (1,223 words) - 13:19, 15 October 2024
quartz-porphyries are equally well described as granite-porphyries. University of Salzburg, quartz-porphyry Geology of the Island of Arran, Quartz Porphyry One...
8 KB (1,086 words) - 23:25, 18 December 2023
Johnson Granite Porphyry is found in Tuolumne Meadows, Yosemite National Park. Johnson Granite Porphyry was named for Johnson Peak, the highest mountain...
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Arvidsjaur porphyry (Swedish: Arvidsjaurporfyr) is a group of igneous rocks of intermediate to felsic composition found near Arvidsjaur in northern Sweden...
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Melvin (1947-06-01). "Hydrothermal alteration in the "porphyry copper" deposits". Economic Geology. 42 (4): 319–352. Bibcode:1947EcGeo..42..319S. doi:10...
43 KB (4,223 words) - 03:53, 26 February 2024
Tosham Hill range (redirect from Geology of the tosham area,haryana)
hills are mainly composed of granite porphyries. Riwasa hill near Riwasa village: Mainly composed of granite porphyries. The rocky outcrops include the following:...
19 KB (1,902 words) - 12:42, 14 October 2024
Polymetallic replacement deposit (redirect from Manto (geology))
Freeman pp. 77-79 ISBN 0-7167-1456-6 Sillitoe, Richard H. "Porphyry copper systems." Economic Geology 105.1 (2010): 3-41. Ray, G., Webster, I., Megaw, P., McGlasson...
8 KB (1,002 words) - 13:33, 8 October 2024
This glossary of geology is a list of definitions of terms and concepts relevant to geology, its sub-disciplines, and related fields. For other terms related...
86 KB (10,875 words) - 20:07, 24 November 2024
San Manuel Copper Mine (section Geology)
Economic Geology, v. 65, pp. 373–408 Thomas, L. A., "Geology of the San Manuel Ore Body", in Titley, S. R. and C. L. Hicks, Geology of the Porphyry Copper...
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Farallon Negro (volcano) (section Geology)
December 2002). "Geology and Alteration Geochemistry of the Porphyry Cu-Au Deposit at Bajo de la Alumbrera, Argentina". Economic Geology. 97 (8): 1865–1888...
30 KB (3,730 words) - 17:22, 12 November 2024
Carol L. Hicks, Geology of the Porphyry Copper Deposits, University of Arizona Press, 1966, p. 35 Billings, M.P. (1956). "The Geology of New Hampshire:...
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Kiruna porphyry (Swedish: Kirunaporfyr) is a group of igneous rocks found near Kiruna in northernmost Sweden. The Kiruna Porphyry formed 1,880 to 1,900...
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largely composed of porphyry, which is a very hard igneous rock. The mountain's local name was reported in 1908 by the U.S. Geological Survey. On a clear...
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Shoksha quartzite (redirect from Shoksha porphyry)
35°2′E / 61.483°N 35.033°E / 61.483; 35.033 Shoksha quartzite, Shoksha porphyry, or crimson quartzite (Russian: малиновый кварцит, literally "raspberry...
5 KB (382 words) - 21:14, 9 November 2024
Igneous intrusion (redirect from Intrusion (geology))
(February 2005). "Laccoliths of the Ortiz porphyry belt, Santa Fe County, New Mexico" (PDF). New Mexico Geology. 27 (1). Retrieved 8 June 2020. Troll, Valentin...
22 KB (2,757 words) - 01:01, 10 November 2024
Andes (redirect from Geology of the Andes)
largest porphyry copper mineralizations occur, making Chile and Peru the first- and second-largest exporters of copper in the world. Porphyry copper in...
60 KB (6,962 words) - 17:54, 22 December 2024
Ma. Much of the rock is gray granite, while in southwest it is a pink porphyry form of granite. The granites were cut by doleritic dykes, trending WNW-ESE...
5 KB (588 words) - 09:09, 14 July 2024
The geology of Namibia encompasses rocks of Paleoproterozoic, Mesoproterozoic and Neoproterozoic and Paleozoic to Cenozoic age. About 46% of the countryʼs...
28 KB (2,551 words) - 15:59, 18 November 2024
Kiruna mine (section Geology)
precipitated the iron on to a syenite porphyry footwall. Then the ore bed was covered by further volcanic deposits, quartz porphyry, and sedimentary rocks. Later...
20 KB (2,161 words) - 19:54, 11 December 2024
and Veining at El Teniente, Chile: Evolution of a Nested Porphyry System". Economic Geology. 105 (1): 119–153. Bibcode:2010EcGeo.105..119V. doi:10.2113/gsecongeo...
25 KB (2,734 words) - 21:53, 25 November 2024
Tooth of Time (section Geology)
an igneous intrusion of dacite porphyry formed in the tertiary period some 22 to 40 million years ago. It is a geological feature on the Philmont Scout...
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Spanish Peaks (category Stocks (geology))
composed of a granodiorite porphyry surrounded by a more aerially-extensive exposure of granite porphyry. The granite porphyry represents the evolved upper...
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The geology of Tasmania is complex, with the world's biggest exposure of diabase, or dolerite. The rock record contains representatives of each period...
80 KB (11,155 words) - 08:47, 14 July 2024
Robinson Mine (section Geology)
The Robinson Mine is a porphyry copper deposit located at Ruth, White Pine County, Nevada, in the Egan Range, 4 miles (6.4 km) west of Ely. The mine comprises...
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mineralization in the Sungun porphyry copper deposit, Iran; evidence from fluid inclusions and stable isotopes. Economic Geology 93(5), 651–670. Hezarkhani...
3 KB (261 words) - 16:45, 25 May 2024