Leucogranite is a light-colored, granitic, igneous rock containing almost no dark minerals. Alaskite is a synonym. Leucogranites have been reported from...

numerous sills and dikes of leucogranite ranging in thickness from 1 cm to 1,500 m (0.4 in to 4,900 ft). These leucogranites are part of a belt of Late...

Tombe, later called Mont-Saint-Michel. Mont-Saint-Michel consists of leucogranite which solidified from an underground intrusion of molten magma about...

rocks also contain mica or amphibole minerals, though a few (known as leucogranites) contain almost no dark minerals. Granite is nearly always massive (lacking...

Eocene Period to form gneiss. Later, the K2 Gneiss was then intruded by leucogranite dikes and finally exhumed and uplifted along major breakback thrust faults...

found the dacitic andesite of the Ainslie Volcanics. An unnamed coarse leucogranite has a small out crop east of Jerrabomberra creek. Geoscience Australia...

Examples for this structure are found in California in the Mount Rubidoux leucogranite and in granodiorites in the Sierra Nevada. During Ca- metasomatism myrmekite...

with some alkali feldspar. The leucogranite is primarily quartz and feldspar with some garnet. Sample of the leucogranite Gneiss sample The type section...

to the West by the intrusive Saint-Mathieu Leucogranite (SML) and to the North by the Chéronnac Leucogranite. Paragneisses (P), intruded by the Piégut-Pluviers...

Common rock types found in the batholith are granite, granodiorite and leucogranite. The early intrusions of the batholith contain valuable ores as they...

volcanic complex where basalt of the Nido Formation overlies Tertiary leucogranite. Thick deposits of tufa formed by the precipitation of calcite and aragonite...

pendant of darker colored granodiorite atop a lighter colored body of leucogranite. The name Split Mountain, inspired by the shape of its double summit...

compositionally distinct phases: a fine-grained, peraluminous, two-mica leucogranite with a radiometric age of 1632±45 Ma, a medium-grained equigranular monzogranite...

leucogranite (two mica granites). The granodiorite can be found at Finisterre, western Salamanca, Zamora, Gredos, Aracena. The two mica leucogranites...

plutons in southwestern Patagonia. The rocks of batholith include granite, leucogranite, tonalite, granodiorite, diorite, gabbro and mafic dykes. The earliest...

The most common rocks in the batholith are granodiorite, granite and leucogranite. The batholith contains also a dyke swarm of north–south trending dykes...

spatially very close to the northern edge of the Chéronnac Leucogranite, a Pennsylvanian leucogranite with a very pronounced, east-west-striking foliation....

and iron formation Opinaca Subprovince (OnS) - metagreywacke - massive leucogranite intrusion / - Rare metals in peraluminous granites and pegmatites Ashuanipi...

of the commune. The geology consists mainly of grey or light orange leucogranite and orthogneiss rich in biotite, sillimanite, and cordierite with alternating...

size. This granite grades laterally into a fine grained, equigranular leucogranite with less than two percent biotite that is less than 2 mm (0.079 in)...

outlet. Spectacular outcrops of gneisses, mylonites, and a series of leucogranite dykes were beautifully exposed along the valley walls." Strachey, Physical...

kimberlite) Feldspathoid-bearing rocks such as leucitites K-feldspar enriched leucogranites Vaugnerite and Durbachite The economic importance of ultrapotassic rocks...

of kyanite- to sillimanite-grade gneisses intruded by High Himalayan leucogranites at structurally higher levels. Throughout much of the range, the unit...

Peak Geology Age of rock Cretaceous Mountain type Fault block Type of rock Granodiorite, Leucogranite Climbing First ascent 1935 Easiest route class 2...

Mountains. The pluton contains apparent roof pendants of amphibolite or leucogranite. It is intruded by the Joaquin quartz monzonite. The gneiss was named...

du Poitou upland, pink granite soils (21%), diorite soils (22%) and leucogranite soils (22%) in the surrounding "hillock arch". The land is skimed[check...

and was intruded with hornblende-rich granitoids and muscovite-rich leucogranites. List of orogenies Payne, J.L. and co-authors (2009). "Evolution of...

veins of quartz. Where the bedrock is exposed it is pink granite, or leucogranite, rich in feldspathic minerals. Altitudes range from 946 to 1,314 metres...

20 years. Uranium mineralisation is hosted primarily within sheeted leucogranites that intruse the rocks at various stages during the Damara Orogeny....

it is poor in xenoliths and is coarse grained. Booroomba Leucogranite Booroomba Leucogranite is found at Mount Tennant and Booroomba Rocks. The total...