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U.S. Geological Survey Open-File Report 03-221
A Pictorial Survey of the Bedrock Beneath Western Cape Cod, Massachusetts

 Detailed Bedrock Photographskip navbar


SAMPLE_ID:  95MW0209

DATE: not available

Sample: 95MW0209 - Granite


Sample 95MW0209 is a medium-grained granite composed of K-feldspar, plagioclase, quartz, biotite, and oxides (this is based solely on hand sample). K-feldspar porphyries reach 8 mm in length and show string perthite. Quartz occurs mainly as a matrix mineral. A weak, biotite-defined foliation is present in this granite, which has minor fractures running through it.

Latitude: 41.626095

Longitude: -70.549116

Elevation of well site (m): 24.65

Elevation of the upper
bedrock surface (m):

Elevation of the
top of casing (m):

Total thickness of strata
penetrated by the well (m):
 not available

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OFR03-221 Home | Introduction | Bedrock Photographs | GIS Data Catalog

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