WMB Suite PDF
Two-pyroxene syenite
This rock type is considered to be the most mafic of all units found in the entire White Mountain Batholith.
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WMB-1
Fayalite syenite
This sample is coarse grained and contains fayalite, ferrohedenbergite, and ferrohastingsite.
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WMB-2
Riebeckite granite
Sample found in massive slabby outcrops in the bed of the Sawyer River.
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WMB-3
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WMB-4
Granite
The granites at this locality are intruded by aplite dikes (WMB-6)
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WMB-5
Sodic amphibole syenite
Sample intruded by Osceola granite (WMB-5). Sample contains bronze colored needles of astrophyllite associated with riebeckite.
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WMB-6
Granite
fine-coarse grained pink granite
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WMB-7
Aplite dike
Sample found intruding into Conway Granite (WMB-7)
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WMB-8
Syenite
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WMB-9
Porphyritic quartz syenite
Sample from a ring dike and is fine-grained and quartz poor.
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WMB-10
Aplite dike in Albany quartz syenite
Coarse grained
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WMB-11
Granite
Massive red granite. Grain size ranges from coarse to fine.
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WMB-12
Granite
Green granite; contains hornblende and, locally, hastingsite, ferrohedenbergite, or fayalite
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WMB-13
Gray trachite
Volcanic unit that is part of a large block of float material in big brook which drains the middle Moat mountain.
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WMB-14
Rhyolite
Described as "comendite volcanics", these rocks are part of the "moat volcanic" series within the White Mountain Magma series. Also described as a "quartz porphyry"
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WMB-15
Porphyritic quartz syenite
Contains large phenocrysts of perthite. Rocks in the outcrop also contain abundant mafic xenoliths. Sample collected from a ring dike
The bulk of the rock contains quartz, k-spar, and amphibole.
Western Minerals, Inc.
WMB-16
Porphyritic quartz syenite
An example of the 3rd ring dike. This outcrop also contains dark xenoliths.
Sample contains phenocrysts of perthite. The bulk of the rock contains quartz, k-spar, and amphibole.
Western Minerals, Inc.
WMB-17
Granite
Granite containing hornblende and, locally, hastingsite, ferrohedenbergite, or fayalite
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WMB-18
Granite
Granite containing hornblende and, locally, hastingsite, ferrohedenbergite, or fayalite.
Western Minerals, Inc.
WMB-19