Geology√

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Geology√

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Geology√

1974 Archival description results for Geology√

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Muscovite.

Muscovite. Oxygen: white. Silicon: small metallic spheres in centre of white tetrahedral oxygen groups, only one or two visible. Aluminum: larger metallic spheres. Potassium: purple OH groups, or hydroxyl: blue. A phyllosilicate.

Multiple tills in tributary to Swift Current Creek

Multiple tills in tributary to Swift Current Creek east of Stewart Vally. From bottom to top, Wymark Till (lying on bedrock, not visible), Lower stratified drift, Aikins Till, Middle Stratified drift and Leinan Till (oxidized). In Sec. 10, T. 19, R. 13, W 3rd meridian. See also slide XI-141. Depth to valley 150 feet. November 7, 1962.

Mudcracks and mudcrack polygons

Mudcracks and mudcrack polygons; a diagram illustrating their formation and burial. The lower part of the diagram shows a thin layer of mud on sand, with mud cracks well developed on the left and curved polygonal plates and ships on the right. In the background, mud is shown overlying the mud-cracked surface. The buried fragments make an intraformational sharpstone conglomerate. In the upper shale layer, V-shaped mudcracks are filled with sand. Several mud lamine separated from the main body of mud curl up along the edges. These may lie convex or concave upward. Shrock, 1948, p. 189.

Results 661 to 675 of 1974

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