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  2. Quartz monzonite - Wikipedia

    en.wikipedia.org/wiki/Quartz_monzonite

    Quartz monzonite. Quartz monzonite is an intrusive, felsic, igneous rock that has an approximately equal proportion of orthoclase and plagioclase feldspars. It is typically a light colored phaneritic (coarse-grained) to porphyritic granitic rock. The plagioclase is typically intermediate to sodic in composition, andesine to oligoclase.

  3. Monzonite - Wikipedia

    en.wikipedia.org/wiki/Monzonite

    Monzonite is a coarse-grained (phaneritic) igneous rock. Such rocks are classified by their relative percentages of quartz, plagioclase, alkali feldspar, and feldspathoid (the QAPF classification). Monzonite is defined as rock having less than 5% quartz in its QAPF fraction and in which alkali feldspar makes up between 35% and 65% of the total ...

  4. Larvikite - Wikipedia

    en.wikipedia.org/wiki/Larvikite

    Larvikite. Polished larvikite (marketed as "Blue Pearl Granite"), showing labradorescence, is a popular decorative stone. Larvikite is an igneous rock, specifically a variety of monzonite, [1] notable for the presence of thumbnail-sized crystals of feldspar. These feldspars are known as ternary because they contain significant components of all ...

  5. Half Dome - Wikipedia

    en.wikipedia.org/wiki/Half_Dome

    Half Dome. Half Dome is a quartz monzonite batholith at the eastern end of Yosemite Valley in Yosemite National Park, California. It is a well-known rock formation in the park, named for its distinct shape. One side is a sheer face while the other three sides are smooth and round, making it appear like a dome cut in half.

  6. Stone Mountain - Wikipedia

    en.wikipedia.org/wiki/Stone_Mountain

    Stone Mountain through trees. Stone Mountain is a pluton, a type of igneous intrusion.Primarily composed of quartz monzonite, the dome of Stone Mountain was formed during the formation of the Blue Ridge Mountains around 300–350 million years ago (during the Carboniferous period), part of the Appalachian Mountains. [8]

  7. Guilford Quartz Monzonite - Wikipedia

    en.wikipedia.org/wiki/Guilford_Quartz_Monzonite

    The Guilford Quartz Monzonite is a Silurian or Ordovician quartz monzonite pluton in Howard County, Maryland. It is described as a biotite - muscovite - quartz monzonite which occurs as discontinuous lenticular bodies [2] which intrude mainly through the Wissahickon Formation ( gneiss ). The extent of this intrusion was originally mapped in ...

  8. Woodstock Quartz Monzonite - Wikipedia

    en.wikipedia.org/wiki/Woodstock_Quartz_Monzonite

    The Woodstock Quartz Monzonite is a Silurian or Ordovician quartz monzonite pluton in Baltimore County, Maryland. It is described as a massive biotite - quartz monzonite [2] which intrudes through the Baltimore Gneiss at a single locality surrounding the town of Granite, Maryland. The extent of this intrusion was originally mapped in 1892 [1 ...

  9. Boulder Batholith - Wikipedia

    en.wikipedia.org/wiki/Boulder_Batholith

    Boulder Batholith. Rounded brown-weathering boulders give the Boulder Batholith its name. The Boulder Batholith is a relatively small batholith in southwestern Montana, United States, exposed at the surface as granite (more specifically quartz monzonite) and serving as the host rock for rich mineralized deposits at Butte and other locations.

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