Concord Granite
Granite, dark facies, from the Concord Granite. Thin section contains quartz, plagioclase, potassium feldspar, and biotite. Hand sample shows lots of quartz and feldspars with dark biotite.
August 1979
Western Minerals Inc.
NH-19
Two-mica Granite
Relatively coarse facies from the Concord Granite. Thin section contains plagioclase, potassium feldspar, quartz, muscovite, and biotite. Hand sample is a coarse-grained granite with quartz, feldspars, and micas.
August 1979
Western Minerals Inc.
NH-16
Muscovite Granite
Coarse grained sample from the Concord Granite. Thin section contains plagioclase, potassium feldspar, quartz, and muscovite. Hand sample is a coarse granite with quartz, feldspars, and muscovite.
August 1979
Western Minerals Inc.
NH-15
Aplite
From the Concord Granite. Thin section contains plagioclase, potassium feldspar, quartz, biotite, and muscovite. Hand sample is finer grained and contains feldspars, quartz, and micas.
August 1979
Western Minerals Inc.
NH-14
Granite
Granite from the Concord Granite series. Thin section contains plagioclase, alkali feldspar, biotite, quartz, and muscovite. Hand sample shows feldspars, quartz, and micas.
August 1979
Western Minerals Inc.
NH-5