SAMPLE_ID:  27MW2130

DATE: 8/7/2000

ORTHOGNEISS

Sample 27MW2130 is a fine grained orthogneiss and contains the assemblage plagioclase (37%), K-feldspar (25%), quartz (25%), biotite (3%), and trace oxides. K-feldspars are nearly equigranular show little to no seritization, yet perthite is common. The matrix is composed of mainly recrystallized grains of plagioclase, quartz, and K-feldspar.

Latitude: 41.66325

Longitude: -70.58683

Elevation of well site (m): 60.20

Elevation of the upper
bedrock surface (m): -37.03

Elevation of the
top of casing (m): 60.00

Total thickness of strata
penetrated by the well (m): 98.76

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