Migmatite is a composite rock found in medium and high-grade metamorphic environments, commonly within Precambrian cratonic blocks. It consists of two...
24 KB (2,887 words) - 13:42, 21 October 2024
Migmatittodden (English: Migmatite Head) is the southern headland of Phippsøya, one of Sjuøyane, north of Nordaustlandet, Svalbard, Norway. Norwegian...
581 bytes (46 words) - 20:31, 29 October 2024
calcium and iron in granulite residues. This may be the origin of migmatites. A migmatite consists of dark, refractory rock (the melanosome) that is permeated...
57 KB (6,613 words) - 20:33, 15 October 2024
of the Satakunta region. Tampere's bedrock consists of mica schist and migmatite, and its building stone deposits are diverse: in addition to the traditional...
177 KB (13,762 words) - 01:57, 31 October 2024
the Sudetes and are among the oldest in Europe. Other deposits include migmatite rocks, to a lesser extent also amphibolite, serpentinite, granulite, and...
5 KB (535 words) - 06:12, 27 October 2024
most dominant rock unit in the area and includes granites, gneisses and migmatites, while the soils of Bangalore consist of red laterite and red, fine loamy...
191 KB (15,422 words) - 18:49, 2 November 2024
gneiss Marble – Type of metamorphic rock – a metamorphosed limestone Migmatite – Mixture of metamorphic rock and igneous rock Mylonite – Metamorphic...
14 KB (2,187 words) - 23:33, 16 April 2024
include amphibolite, greenschist, phyllite, marble, serpentinite, eclogite, migmatite, skarn, granulite, mylonite, and slate. The basic classification can be...
37 KB (4,414 words) - 09:37, 11 March 2024
products are high to ultrahigh temperature granulites and their associated migmatite and granites in collisional orogens, with possible emplacement of metamorphic...
22 KB (2,531 words) - 20:22, 28 August 2024
chemical reaction between intrusion and country rock, and often have broad migmatite zones. Foliations in the intrusion and the surrounding country rock are...
22 KB (2,757 words) - 23:10, 15 September 2024
geologists Metamorphic rock – Rock that was subjected to heat and pressure Migmatite – Mixture of metamorphic rock and igneous rock Petrology – Branch of geology...
48 KB (5,656 words) - 02:36, 23 June 2024
; Inglis, J. D. (2012). "Separating metamorphic events in the Fosdick migmatite-granite complex, West Antarctica: POLYMETAMORPHISM IN THE FOSDICK MOUNTAINS"...
38 KB (4,607 words) - 00:45, 27 October 2024
and metamorphic rocks that include biotite–muscovite–feldspar–quartz migmatites and garnet–mica schists. The dismemberment and subsidence of continental...
120 KB (11,651 words) - 14:28, 17 October 2024
consists of two rock units: granitoid plutons (2.8–2.55 Ga) and gneiss and migmatite. The granitoid rocks are mainly potassic granite and were derived principally...
18 KB (2,186 words) - 15:32, 18 October 2024
the Costa Brava in the winter (Costa Brava means "wild coast"), so the migmatites and schists are battered and eroded by the Tramuntana wind which whips...
16 KB (1,747 words) - 23:07, 23 October 2024
devitrified Dendritic texture; dendrites Diatextite; see also schlieren and migmatite Embayed minerals; see igneous texture Equigranular Euhedral Eutaxitic...
4 KB (241 words) - 01:05, 8 August 2023
W. R. - Saltvik: Studies from an Aland Parish. Sederholm, J. J. - On Migmatites and Associated Pre-Cambrian Rocks of Southwestern Finland, Part III: The...
73 KB (6,110 words) - 16:15, 31 October 2024
Soukka and Suomenoja. Main rock types in the Espoo bedrock include gneiss, migmatite, granite, gabbro, amphibolite and mica schist. Rare orbicular granite...
155 KB (17,169 words) - 09:04, 30 October 2024
(sandstones, clays, limestones); metamorphic rocks (schists, gneisses, migmatites); igneous rocks (granites, basalts, gabbros, peridotites); and mineralized...
36 KB (3,979 words) - 09:47, 11 September 2024
Western-Moravian part of Moldanubian Zone. The primary composition of the range is migmatite, granite and gneis. Soil horizon is mainly fluvisol and cambisol. The...
3 KB (269 words) - 19:25, 30 October 2024
of the basement are gneiss (ortho- and paragneisses, in the south also migmatites and diatexites, for example on the Schauinsland and Kandel). These gneisses...
91 KB (9,648 words) - 18:49, 1 November 2024
Variscan-faulted rocks of the Massif Central begin with Cambrian/Ordovician migmatite. It is near the southern end of the old province of Berry. The House of...
4 KB (374 words) - 10:03, 21 August 2024
deposited strata and subject to overlying stress) and partially melted migmatite (a metamorphic-texture rock frequently found in domes due to the typical...
12 KB (1,304 words) - 08:14, 22 April 2024
to about 1,080 °C (1,980 °F) for wet basalt at atmospheric pressure. Migmatites are rocks formed at this upper limit, which contains pods and veins of...
51 KB (5,769 words) - 18:41, 25 July 2024
thermal gradients of >30 °C/km. There is a general lack of ophiolites, migmatites and abyssal sediments. Typical examples are all circum-Pacific orogens...
38 KB (4,243 words) - 21:59, 13 August 2024
most dominant rock unit in the area and includes granites, gneisses and migmatites, while the soils of Bangalore consist of red laterite and red, fine loamy...
20 KB (1,722 words) - 08:04, 29 August 2024
of the Nigerian Province are split up by thrust and shear zones. The Migmatite-Gneiss Complex covers half of Nigeria's surface area and encompasses Archean...
12 KB (1,696 words) - 23:29, 12 July 2024
crystallized from a primary magma. The interpretation of leucosomes of migmatites as primary magmas is contradicted by zircon data, which suggests leucosomes...
63 KB (7,679 words) - 19:47, 31 October 2024