Adakites are volcanic rocks of intermediate to felsic composition that have geochemical characteristics of magma originally thought to have formed by partial...
8 KB (887 words) - 09:57, 23 November 2023
tonalite–trondhjemite–granodiorite (TTG) series is not an analogue of Cenozoic adakite". Earth and Planetary Science Letters. 182 (1): 115–125. Bibcode:2000E&PSL...
21 KB (2,256 words) - 03:59, 1 November 2024
major types of rock: igneous rock, metamorphic rock, and sedimentary rock. Adakite – Volcanic rock type Andesite – Type of volcanic rock Alkali feldspar granite –...
14 KB (2,187 words) - 23:33, 16 April 2024
and Mount Moffett volcanoes are located on Adak. The igneous rock type adakite is named after Adak. Report from the Aleutians, a 1943 documentary about...
14 KB (1,693 words) - 05:08, 24 October 2024
oldest, and Taitao Granites and Taitao Ophiolite would be our main focus. Adakite magmatism is formed by the melting of the Nazca plate's trailing edge....
41 KB (4,011 words) - 20:50, 4 November 2024
Jefferson monolith", Peninsula Daily News Dan McShane (October 29, 2010), "Adakite and Tamanowas Rock (Chimacum Rock)", Reading the Washington Landscape (blog)...
11 KB (814 words) - 13:45, 4 November 2024
Ni, and Cr contents), adakites can be further divided into two groups, namely high SiO2 adakites (HSA) and low SiO2 adakites (LSA). It was then noted...
20 KB (2,194 words) - 17:44, 23 March 2024
Pleistocene volcano whose volcanics have geochemical affinities with modern adakites. The andestic dome of Little Solander Island was active between 20 and...
15 KB (1,503 words) - 19:02, 27 September 2024
gabbroic intrusions, and basaltic to andesitic lavas, including the Monglo adakite. The Pliocene Baguio Formation consists of conglomerates interbedded with...
67 KB (4,603 words) - 08:58, 18 November 2024
but smaller volumes of intraplate-like lavas, potassium rich rocks, and adakites are associated with the area. Middle Miocene adakitic (more felsic) rocks...
21 KB (2,260 words) - 01:46, 25 October 2024
v t e Types of rocks Igneous rock Adakite Andesite Alkali feldspar granite Anorthosite Aplite Basalt Alkali basalt Picrite basalt Basaltic trachyandesite...
7 KB (562 words) - 05:01, 17 August 2024
crystallization. Sanukitoids are similar in trace element compositions to "adakites" but with higher Mg and lower silica. Both suites are thought to form by...
4 KB (936 words) - 03:20, 30 July 2023
recent. They also showed that the youngest volcanism consists primarily of adakites (partial melts from the subducted slab) whereas the older volcanism is...
10 KB (1,187 words) - 01:12, 31 October 2024
K. (1996). "Petrogenesis of slab-derived trondhjemite–tonalite–dacite/adakite magmas". Earth and Environmental Science Transactions of the Royal Society...
18 KB (1,854 words) - 15:10, 4 April 2024
both the Andean flat slab effected regions and the western United States. Adakites are dacitic and andesitic magmas that are highly depleted in heavy rare-earth...
29 KB (3,738 words) - 14:00, 7 April 2024
to tholeiitic magma series. There are also some reported occurrences of adakite, which is often associated with the partial melting of basaltic component...
34 KB (3,967 words) - 02:44, 11 November 2024
magmas and these of its neighbours Pichu Pichu and Chachani resembles adakite, an unusual kind of volcanic rock formed by the direct melting of a subducting...
119 KB (14,330 words) - 17:40, 18 November 2024
at Licancabur, with some basaltic andesite and dacite. They define an adakite-like suite, and are less crystalline than rocks of other CVZ volcanoes...
61 KB (6,359 words) - 23:03, 15 November 2024
broke off (45—30 Ma). This is supported by the presence of Adakite in the Lhasa block. Adakite is an intermediate to felsic rock which is commonly related...
61 KB (6,966 words) - 12:34, 2 November 2024
Muertas. So-called "Pircas Negras" lavas with compositions similar to adakite have been found on the northern flanks of Los Patos. They contain amphibole...
5 KB (478 words) - 23:04, 6 December 2023
Joseph; Bourgois, Jacques; Michaud, François (2001-06-01). "Late Miocene adakites and Nb-enriched basalts from Vizcaino Peninsula, Mexico: Indicators of...
23 KB (2,428 words) - 01:31, 8 November 2023
(April 2001). "Magnesian andesites, Nb-enriched basalt-andesites, and adakites from late-Archean 2.7 Ga Wawa greenstone belts, Superior Province, Canada:...
53 KB (5,513 words) - 03:22, 27 December 2023
suite. These magnesium rich lavas have been named "bajaites". Late Miocene adakites are also found in Jaraguay. These melts probably form from dehydration...
6 KB (640 words) - 23:47, 12 September 2024
Cisternas, Maria Eugenia (2016), A Review on Forearc Ophiolite Obduction, Adakite-Like Generation, and Slab Window Development at the Chile Triple Junction...
4 KB (430 words) - 12:46, 9 November 2024
west of the peninsula. These volcanoes have erupted magmas ranging from adakite to andesite and their origin is unknown; various processes such as changes...
6 KB (780 words) - 21:02, 6 September 2022
Mount Churchill. Churchill rocks are dacitic and define a calc-alkaline adakite suite. There is a moderate quantity of phenocrysts, including biotite,...
73 KB (8,412 words) - 18:13, 17 November 2024
southern sector are more primitive with fewer crystals and volatiles. The adakite-like composition implies that the magmas originated at great depths, where...
15 KB (1,655 words) - 15:22, 9 June 2024
rather high in appinites (right up to 5.43) and is similar to Cenozoic adakites, which were produced by the melting of subducted oceanic crust. Accordingly...
37 KB (4,394 words) - 06:33, 22 April 2024
define a potassium-rich calc-alkaline suite with unusual adakite characteristics; adakites are magmas that form when the downgoing plate in a subduction...
42 KB (4,535 words) - 23:17, 5 November 2024
element (HFSE) depletion and near-chondritic Nb/Ta ratios in Central Andean adakite-like lavas (~28°S, ~68°W)". Earth and Planetary Science Letters. 279 (1–2):...
35 KB (3,976 words) - 06:07, 14 June 2024