generally aphanitic matrix or groundmass. In its non-geologic, traditional use, the term porphyry usually refers to the purple-red form of this stone,...

up porphyry in Wiktionary, the free dictionary. Porphyry (/ˈpɔːrfɪri/; Greek: Πορφύριος, Porphyrios "purple-clad") may refer to: Porphyry (geology), an...

Porphyry copper deposits are copper ore bodies that are formed from hydrothermal fluids that originate from a voluminous magma chamber several kilometers...

new model for the optimal structural context for giant porphyry copper deposit formation". Geology. 49 (5): 597–601. Bibcode:2021Geo....49..597P. doi:10...

lithosphere Porphyry (geology) – Movement of Earth's lithosphere Proterozoic – Geologic eon, 2500–539 million years ago Regression (geology) – Geologic event...

Quartz-porphyry, in layman's terms, is a type of volcanic (igneous) rock containing large porphyritic crystals of quartz. These rocks are classified as...

Johnson Granite Porphyry is found in Tuolumne Meadows, Yosemite National Park. Johnson Granite Porphyry was named for Johnson Peak, the highest mountain...

Arvidsjaur porphyry (Swedish: Arvidsjaurporfyr) is a group of igneous rocks of intermediate to felsic composition found near Arvidsjaur in northern Sweden...

Melvin (1947-06-01). "Hydrothermal alteration in the "porphyry copper" deposits". Economic Geology. 42 (4): 319–352. Bibcode:1947EcGeo..42..319S. doi:10...

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...

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...

hills are mainly composed of granite porphyries. Riwasa hill near Riwasa village: Mainly composed of granite porphyries. The rocky outcrops include the following:...

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...

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...

). The Dokuchaev Complex, consisting of tonalite-porphyry, granodiorite-porphyry and diorite-porphyry, is an amalgamation of the Dokuchaev, Valentina and...

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:...

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...

(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...

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...

largest porphyry copper mineralizations occur, making Chile and Peru the first- and second-largest exporters of copper in the world. Porphyry copper in...

The geology of Namibia encompasses rocks of Paleoproterozoic, Mesoproterozoic and Neoproterozoic and Paleozoic to Cenozoic age. About 46% of the countryʼs...

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...

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...

December 2002). "Geology and Alteration Geochemistry of the Porphyry Cu-Au Deposit at Bajo de la Alumbrera, Argentina". Economic Geology. 97 (8): 1865–1888...

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...

composed of a granodiorite porphyry surrounded by a more aerially-extensive exposure of granite porphyry. The granite porphyry represents the evolved upper...

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...

The geology of Tasmania is complex, with the world's biggest exposure of diabase, or dolerite. The rock record contains representatives of each period...

mineralization in the Sungun porphyry copper deposit, Iran; evidence from fluid inclusions and stable isotopes. Economic Geology 93(5), 651–670. Hezarkhani...

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...