Garnet-rich Quartz-Monzonite
Garnet-rich quartz monzonite from the Kinsman Quartz Monzonite. Garnets are replaced partly by biotite. Some of the garnet forms pods and boudins. Similar sample to NH-9.
Hand sample shows large biotites, plagioclase, and quartz.
Thin section image shows biotite, plagioclase, quartz, and myrmekitic texture.
August 1979
Western Minerals Inc.
NH-21
Hornblende Gabbro-Diorite
Hornblende Gabbro-Diorite from the Spaulding quartz diorite. Thin section contains hornblende, plagioclase, and quartz. Hand sample contains hornblende, plagioclase, and quartz.
August 1979
Western Minerals Inc.
NH-20
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
Quartz Monzonite
Quartz Monzonite from the Kinsman Quartz Monzonite unit. Thin section shows quartz, potassium feldspar, plagioclase, biotite, muscovite, and myrmekitic texture. Hand sample contains quartz, feldspars, and micas.
August 1979
Western Minerals Inc.
NH-18
Quartz Monzonite
Quartz Monzonite from the Kinsman Quartz Monzonite unit. Thin section contains lots of plagioclase in addition to biotite and quartz. Hand sample contains feldspars, quartz, and biotite.
August 1979
Western Minerals Inc.
NH-17
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
Ferrohypersthene Garnet Biotite Tonalite
Ferrohypersthene Garnet Biotite Tonalite from the Spaulding Quartz Diorite. Some samples are fairly weathered. Thin section contains garnet, biotite, quartz, and plagioclase. Hand sample shows garnet, biotite, quartz, feldspars, and evidence of iron oxidation.
August 1979
Western Minerals Inc.
NH-13
Spotted Spaulding Granite
Spotted Spaulding Granite, member of the Spaulding Quartz Diorite. Part of an irregular sill, not the major facies. Spotted appearance, extends through more mafic facies. Thin section contains quartz, alkali feldspar, plagioclase, mica, and garnet. Hand sample contains quartz, feldspars, mica, and garnet.
August 1979
Western Minerals Inc.
NH-12
Hypersthene Quartz Diorite
Hypersthene Quartz Diorite from the Spaulding Quartz Diorite. Thin section contains pyroxene, quartz, biotite, plagioclase, and alkali feldspar. Hand sample shows micas, quartz, feldspars, and pyroxene.
August 1979
Western Minerals Inc.
NH-11
Sillimanite Granite
Granite from the Spaulding Quartz Diorite. Thin section contains plagioclase, biotite, quartz, alkali feldspar, some garnet, and sillimanite. Hand sample shows quartz, feldspars, sillimanite, and mica.
August 1979
Western Minerals Inc.
NH-10
Quartz Monzonite
Quartz Monzonite from the Kinsman Quartz Monzonite series. The garnets show definite zoning, with some zones up to 1.0mm thick. Thin section is garnet rich and also contains plagioclase, quartz, alkali feldspar, some biotite, and muscovite. Hand sample shows quartz, feldspars, micas, and garnet.
August 1979
Western Minerals Inc.
NH-9
Quartz Monzonite
Leucocratic facies of the Kinsman Quartz Monzonite. Thin section contains plagioclase, bitote, quartz, alkali feldspar, and muscovite. Hand sample shows feldspars, quartz, and biotite. Taken from the same location as NH-7.
August 1979
Western Minerals Inc.
NH-8
Garnet Gneiss
Garnet Gneiss from the Kinsman Quartz Monzonite. Thin section contains large alkali feldspar porphyroblasts, plagioclase, biotite, muscovite, garnet, and quartz. Hand sample is coarse grained and cataclastic, and contains plagioclase, bitote, quartz, alkali feldspar, garnet, and muscovite. From the same location as NH-8.
August 1979
Western Minerals Inc.
NH-7
Gneiss
Gneiss from the Bethlehem Gneiss series. Thin section contains quartz, biotite, plagioclase, and muscovite. Hand sample is a leucocratic facies and contains quartz, feldspars, and micas.
August 1979
Western Minerals Inc.
NH-6
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
Gneiss
Gneiss from the Bethlehem Gneiss series. Thin section contains biotite, muscovite, quartz, and plagioclase. Hand sample is finer grained than NH-3 and contains feldspars, quartz, and micas. From the same locality as NH-3.
August 1979
Western Minerals Inc.
NH-4
Gneiss
Gneiss from the Bethlehem Gneiss series. Coarser grained. Thin section contains biotite, muscovite, quartz, plagioclase, and alkali feldspar. Hand sample is coarser than NH-3 and contains quartz, feldspars, and micas. From the same locality as NH-4.
August 1979
Western Minerals Inc.
NH-3
Gneiss
Gneiss from the Bethlehem Gneiss series. Thin section contains plagioclase, alkali feldspar, biotite, quartz, and muscovite. Hand sample contains feldspars, quartz, and micas.
August 1979
Western Minerals Inc.
NH-2