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

Lower stratified drift Swift Current Creek section

Lower stratified drift Swift Current Creek section along north side of tributary to Swift Current Creek in Sec. 10, T. 19, R. 13, W. 3 meridian. At this place the Lower stratified drift may possible represent a weathered till (cf. Wickenden 1931 C, Sec. C) as it is not stratified, non-sorted, contains some erratics, is highly calcareous but is not a marl (organic, mainly algal, deposit) as Christiansen (1959) reported. Spade is placed on gradational zone from Wymark Till to Lower Stratified drift. Peter David holds hand on sharp contact between Lower stratified drift and AIkins Till. Tuesday September 13, 1960.

Magnetic field of the earth

Magnetic field of the earth. Top chart shows the total field, which has a regular component, as might be produced by a bar magnet in the earth's core and an irregular component. The bottom chart shows the irregular component alone. This is obtained by subtracting a uniform north-south field from the total observed field. In the top chart the arrows indicate the direction in which a compass needle would point if there were no axial field. Runcorn, 1955, Sci. Am., v. 193, no. 3, p. 153.

Malaspina Glacier, Alaska

Malaspina Glacier, Alaska, map. Arrows indicate flow of valley glaciers that feed the Malaspina. (Gilluly et al., 1959, p. 225).

Results 1201 to 1215 of 1974