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Kt-4. Magmatic layering in Riddle Peaks pluton, an undeformed hornblende gabbro included in the Late Cretaceous tonalitic plutons (Kt). Outcrop at head of Hilgard Creek, north of Holden [Tsw]. |
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Other photos that show unit Kt:
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Photo Indices: Captions (Additional photos home) | Map | Young rocks and deposits | Older rocks west | Older rocks east