Affichage de 1765 résultats

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Kupsch, Walter Oscar Geology√
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Folded upland of Liddon Gulf and Sabine Bay, Melville Island

Looking across folded upland of Liddon Gulf (left) and Sabine Bay, Melville Island. In the foreground is a syncline with strata dipping inwards. Erosion here has left a central ridge. Note how the large river has cut right across the fold. 1 Aug. 1950; 20,000 feet.

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.

Résultats 166 à 180 sur 1765