B78, Geological Survey Bulletin Arc 1950, 36S Y=8,090,685 · Arc 1950, 36S X=351,260 Y=8,090,685...

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B78, Geological Survey Bulletin

Basal (or near-base) Shamvaian conglomerate

Arc 1950, 36SX=351,260Y=8,090,685

Porphyry

Shamvaiansandstone

Cross-stratification

Arc 1950, 36SX=351,260Y=8,090,685

B78, Geological Survey Bulletin

Shamvaian sandstone and conglomerate layers

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