• Thumbnail for Porphyry (geology)
    generally aphanitic matrix or groundmass. In its non-geologic, traditional use, the term porphyry usually refers to the purple-red form of this stone,...
    26 KB (3,024 words) - 14:16, 9 March 2024
  • up porphyry in Wiktionary, the free dictionary. Porphyry (/ˈpɔːrfɪri/; Greek: Πορφύριος, Porphyrios "purple-clad") may refer to: Porphyry (geology), an...
    3 KB (368 words) - 14:58, 2 December 2023
  • Thumbnail for Porphyry copper deposit
    Porphyry copper deposits are copper ore bodies that are formed from hydrothermal fluids that originate from a voluminous magma chamber several kilometers...
    24 KB (2,801 words) - 00:09, 4 March 2024
  • structure Plate tectonics Porphyry (geology) Proterozoic Regression (geology) Relative density Rift (geology) Rock (geology) Rock strata Rodinia Rubidium-Strontium...
    4 KB (265 words) - 15:42, 11 July 2022
  • Thumbnail for Fault (geology)
    new model for the optimal structural context for giant porphyry copper deposit formation". Geology. 49 (5): 597–601. Bibcode:2021Geo....49..597P. doi:10...
    32 KB (3,483 words) - 08:04, 22 April 2024
  • Thumbnail for Quartz-porphyry
    Quartz-porphyry, in layman's terms, is a type of volcanic (igneous) rock containing large porphyritic crystals of quartz. These rocks are classified as...
    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...
    7 KB (445 words) - 05:06, 25 October 2023
  • 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
  • Porphyry Bluff (64°27′S 59°11′W / 64.450°S 59.183°W / -64.450; -59.183) is a prominent rocky bluff extending from the coast to 2 miles inland, between...
    676 bytes (111 words) - 20:37, 21 November 2015
  • 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...
    81 KB (10,307 words) - 02:51, 1 May 2024
  • Thumbnail for Polymetallic replacement deposit
    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 (1,000 words) - 07:32, 17 February 2024
  • Thumbnail for Andes
    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...
    59 KB (6,858 words) - 10:44, 23 April 2024
  • Thumbnail for Porphyry Mountain
    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...
    4 KB (313 words) - 16:23, 28 March 2024
  • Thumbnail for Kiruna mine
    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 (2,155 words) - 14:41, 16 March 2024
  • Thumbnail for Quartz monzonite
    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:...
    4 KB (435 words) - 18:59, 19 January 2024
  • Thumbnail for Igneous intrusion
    (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) - 14:51, 6 March 2024
  • Thumbnail for Tosham Hill range
    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) - 17:40, 25 April 2024
  • Thumbnail for San Manuel Copper Mine
    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...
    6 KB (748 words) - 05:41, 18 September 2022
  • Thumbnail for Spanish Peaks
    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...
    5 KB (460 words) - 19:29, 1 November 2023
  • Thumbnail for Geology of Seychelles
    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) - 08:53, 12 June 2023
  • Arvidsjaur porphyry (Swedish: Arvidsjaurporfyr) is a group of igneous rocks of intermediate to felsic composition found near Arvidsjaur in northern Sweden...
    1 KB (110 words) - 19:26, 9 January 2021
  • Thumbnail for Kunashir
    Kunashir (section Geology)
    ). The Dokuchaev Complex, consisting of tonalite-porphyry, granodiorite-porphyry and diorite-porphyry, is an amalgamation of the Dokuchaev, Valentina and...
    24 KB (2,824 words) - 10:04, 25 April 2024
  • Thumbnail for Geology of Taiwan
    Hsiukuluanchi River, has an age from 9 to 22.2 Ma. It is associated with copper porphyry mineralisation. It covers an area of 22 km2. Pleistocene basalt and tholeiite...
    32 KB (4,024 words) - 07:12, 2 May 2024
  • model for the origin of porphyry copper deposits. Economic Geology, 67 (2): 184–197. Influential publication in the study of porphyry copper. Pohl, W.L.,...
    52 KB (5,514 words) - 23:55, 5 March 2024
  • Thumbnail for Shoksha quartzite
    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) - 19:25, 12 October 2023
  • and Basic Dykes. Within the acid dykes granophyre, trachyte, and granite porphyry, and within the basic dykes, dolerite, and spessartine have been mapped...
    5 KB (706 words) - 16:04, 17 December 2023
  • Thumbnail for Breccia
    and Veining at El Teniente, Chile: Evolution of a Nested Porphyry System". Economic Geology. 105 (1): 119–153. doi:10.2113/gsecongeo.105.1.119. Ansdell...
    24 KB (2,680 words) - 17:11, 31 March 2024
  • dolerite) and porphyry. Common examples of subvolcanic rocks are diabase, quartz dolerite, microgranite, and diorite. Cone sheet Dike (geology) Igneous intrusion...
    2 KB (123 words) - 13:55, 27 July 2023
  • 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...
    2 KB (227 words) - 06:12, 17 April 2024
  • Thumbnail for Llanite
    Iddings, J. P. (1904) Quartz-feldspar-porphyry (graphiphyro liparose-alaskose) from Llano, Texas. Journal of Geology, 12, p. 225-231. Heinrich, P. V., 2014...
    3 KB (373 words) - 00:51, 2 April 2023