2591.13 Mottled anorthosite, mottles increasing in size and frequency downwards. 2592.25 Mottled anorthosite, grading into… 2594.20 Leucogabbronorite. 2597.35 Mottled anorthosite, variable textures such as the size of mottles, orthopyroxene-clinopyroxene.

Abstract. Lunar anorthosite 15415 consists almost entirely of anorthite (homogeneous anorthite 96.6 molecule percent), with accessory diopsidic augite and traces of hypersthene, ilmenite, and a silica mineral. The rock has had a complex metamorphic history. The texture reflects at least two episodes of shearing (followed by intense and partial recrystallization, respectively), one episode of cataclastic deformation, and one or more episodes of shattering and fragmentation.

Get to know information about Anorthosite texture and also know all about Anorthosite Color 1972-01-28 Another prominent example occurs on the islands of Hrappsey and Purkey in western Iceland, where Tertiary dolerite sills contain anorthosite inclusions of variable size and texture (Fig. 9). Cognate anorthosite inclusions also occur in other plume-related ocean-island basalts such as at Hawaii, and in island-arc volcanic rocks such as those in Japan and the Lesser Antilles. Lunar anorthosite 15415 consists almost entirely of anorthite (homogeneous anorthite 96.6 molecule percent), with accessory diopsidic augite and traces of hypersthene, ilmenite, and a silica mineral. The rock has had a complex metamorphic history.

Anorthosite texture

Plane/cross-polarized light, field width is 6 mm. STW-37 Anorthosite is an almost monomineralic, feldspathic rock with a great variety of industrial applications (Table 1). Anorthosite massifs are known to host important ore depos-its such as ilmenite and are, in many cases, excellent sources for high-quality rock aggregate and also for dimension-stone. The exploitation of anorthosite for industrial Anorthosite. Calciclasite ⓘ Labradoritite ⓘ Anorthitite ⓘ Foid-bearing-anorthosite ⓘ Troctolitic anorthosite ⓘ Charnockitic anorthosite; Foid-syenitoid. Foid-monzosyenite. Nepheline-monzosyenite ⓘ Allochetite; Leucite-monzosyenite ⓘ Sommaite; Foid-gabbroid.

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Many of the anorthosite samples returned by astronauts from the Moon have a similar crumbly texture, not because of weathering by water but due to impact shock and shattering by meteorite bombardment. Anorthosite is similar to these rocks: Basalt, Harzburgite, Granite and more. Topic. Anorthosite.

2010-01-01 · Free Online Library: Igneous structure and texture of the ~1.3 Ga Hosenbein anorthosite pluton (Nain, Labrador) and implications for the crystallization of massif-type anorthosite.(Report) by "Atlantic Geology"; Earth sciences Crystal structure Case studies Models Crystallization Research Crystals Structure Magma Natural history Plutonic rocks Observations Properties

Mafic granulites typically show granoblastic texture with sieved as well as coronal garnets, flakes of biotite, rounded grains of sphene.

Natural stone from Norway. Stone type; Anorthosite. Available as "cut to size" for large projects upon request. Available in pre-produced sizes (mm): 300x300, 300x600, 400x600, 400x800, 600x600, 600x1200.
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Plane/cross-polarized light, field width is 6 mm. STW-37 Anorthite is a rare member of the Feldspar group.Italian Localities include Monte Somma, Mount Vesuvius; Val Schiesone, Sondrio; and Val Di Fassa, Trento. Japan produces excellent crystals thinly coated with a dark layer of lava at Miyaki Jima (Miyaki Island), Tokyo Prefecture.

top Archean anorthosite complexes in the Superior Province are listed in Table 1.
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LUNDHS Antique is a pure natural brown stone with blue/purple crystals. Unlike artificial building materials, LUNDHS Antique gives a unique appearance that can only be found in a natural resource. It is a 100% natural material, quarried from the

Winter (2001) An Introduction toIgneous and Metamorphic Petrology.

Anorthosite: The anorthosite is a fair1 y typical ferroan anorthosite in mode, texture, and mineral chemistry. Plagioclase makes up more than 95% of the rock. Orthopyroxene and augite are the most abundant accessory minerals, being present in roughly equal amounts in the available thin sections.

1315 Ma Hosenbein massif-type anorthosite pluton (Nain, Labrador) shows complete exposure of a vertical section, described here for the first time, 28 Sep 2018 The 3000 km2 Marcy anorthosite massif dominates the Adirondack Highlands OK25 has an equigranular granoblastic texture of plagioclase, This texture clearly suggests that the augite formed by exsolution out of the plagioclase.

Major minerals of anorthosite include just feldspar. Anorthosite has a coarse-grained texture due to slow cooling underground. An information card with details on the rock formation, mineral content, characteristics, and uses is included. 2015-02-01 Anorthosite Anorthosite: Anorthosite: A leucocratic coarse-grained plutonic rock consisting essentially of plagioclase (usually labradorite or bytownite) often with small amounts of pyroxene.