U.S. Geological Survey Open-File Report 03-221
A Pictorial Survey of the Bedrock Beneath Western Cape
Cod, Massachusetts
![]() Subhedral sphene grain in granite (27MW0105) aligned in foliation. Note the subhedral, embayed shape of the sphene grain, and the partial rimming by biotite. Click here for a zip file with full resolution image. bt: biotite |
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