Browse Items (11 total)

  • Title is exactly "Granite"

Granite containing hornblende and, locally, hastingsite, ferrohedenbergite, or fayalite.

Granite containing hornblende and, locally, hastingsite, ferrohedenbergite, or fayalite

Green granite; contains hornblende and, locally, hastingsite, ferrohedenbergite, or fayalite

Massive red granite. Grain size ranges from coarse to fine.

fine-coarse grained pink granite

The granites at this locality are intruded by aplite dikes (WMB-6)

fine grained

coarse grained, porphyritic

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Hand Sample: Holocystalline, phaneritic, medim-grained granitoid with subhedral grains of smoky quartz, plagioclase feldspar, potassium feldspar, and biotite. Weathering to red-yellow on some surfaces.

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Granite from the Concord Granite series. Thin section contains plagioclase, alkali feldspar, biotite, quartz, and muscovite. Hand sample shows feldspars, quartz, and micas.
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