National Park Service U.S. Department of the Interior

 

Results 31-40 of about 25,000 for: most abundant igneous rock of yosemite

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The Geology of Mount Rainier National Park (Geology)

The presence of granular igneous rocks at the base of Mount Rainier was first mentioned by Lieutenant Kautz ... The oscillatory zoning of the feldspar is very common.)

http://cr.nps.gov/.../sec1c.htm

Gneiss - Black Canyon Of The Gunnison National Park (U.S ...

... and travels through some fine examples of gneiss, the predominant rock in ... the most common rock ... in both igneous and metamorphic rocks.

http://www.nps.gov/.../gneiss.htm

Vegetational Changes in Yosemite Valley (Geology)

Ancient Lake Yosemite became completely filled with sediment. Later, ... Rocks deposited in the valley are predominantly siliceous igneous intrusive, ...

http://www.cr.nps.gov/.../sec2.htm

Geologic Glossary D through I - National Park Service

Most common in metamorphic rocks, ... A term used to describe light-colored igneous rocks with an abundance of light-colored minerals, ...

http://www2.nature.nps.gov/.../glossaryDtoI.html

USGS: Geological Survey Professional Paper 160 (Glacial ...

These of all the rocks of the Yosemite region are the most ... and dikes of other igneous rocks, ... fractured rocks glacial quarrying ...

http://www.nps.gov/.../sec3d.htm

Views of the National Parks Glossary - National Park Service

... (feldspathoid) + silica + c, and applied to an igneous rock having abundant light ... it is most common where rock or soil is totally waterlogged by still ...

http://www.nature.nps.gov/.../Glossary.htm

California Division of Mines: Special Report 68 - Igneous ...

All of the igneous rocks appear to intrude the ... and graphic textures are common in the quartz monzonite. Most of the myrmekite is associated with pure ...

http://www.cr.nps.gov/.../sec2.htm

National Park Service - Center for Urban Ecology

It also left behind igneous rocks, ... This is now the most common type of rock of the Blue ... with Iapetus Ocean rifting on the tall ridges of Catoctin Mountain ...

http://www.nps.gov/.../geo_blueridge.htm

USGS: Geological Survey Bulletin 1493 (Landforms of Today ...

Erosion of the sedimentary layers has left many of these dikes as conspicuous vertical walls of igneous rock that project ... are less abundant north ...

http://cr.nps.gov/.../sec4.htm

USGS: Geological Survey Bulletin 1191 (Rock Formations ...

In the Vernal Mesa Quartz Monzonite abundant phenocrysts of microcline feldspar 1 to 2 inches ... such as schists and most gneisses. Against other igneous rocks ...

http://www.cr.nps.gov/.../sec4b.htm