Geology√

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Geology√

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Geology√

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Geology√

1974 Archival description results for Geology√

1974 results directly related Exclude narrower terms

Glaciated shelf

Glaciated shelf. Contours of the series of shallow banks that extend alonf the outer shelf north of Cape Cod. Shaded zones are basins. Shepard, 1960, p. 77

Glacier distorted silt underlying till

Glacier distorted silt underlying till at station WK61. This exposure is oriented northeast-southwest with the northeast at the right hand side of the picture. Distortions indicate local ice movement from the northeast (right).

Glory hole, Ruby Gulch Mine, Little Rock Mountains

Glory hole, Ruby Gulch Mine, Little Rock Mountains. Dark yellow green rock under trees to the left is Precambrian amphibolite schist. To the right of this is white veined syenite (Tertiary), to right of this is the Ruby shear zone (gold) in the syenite and farther to the right is syenite with pyrite.

Results 916 to 930 of 1974