Homework Questions Coluvium and alluvium (Quaternary) Kspl-1 Plainview sandstone

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Homework Questions

Coluvium and alluvium (Quaternary) Kspl-1 Plainview sandstone Member (Lower Cretaceous) Morrison Formation (Upper Jurassic) claystone and siltstone Sundance and Jelm Formation (Upper Triassic) sandstone Upper part (Lower Triassic and sandstone Plo Jm Jks Upper Permian) siltstone and Plu Qc P Forelle limestone Member (Upper Pl Lower part (Upper Permian) shale Ply Lyons Sandstone (Lower Permian) Permian) 14 18 10 MN GN 00 89 MILS 8 MILS Figure 12, Geologic Map #2. Note that although it appears different, the Kspl member extends beyond the hachures up to the northern Jm formation border Produced by the U. S. Geological Survey

Explanation / Answer

1.A The oldest geological feature present in the map is "Lyons Sandstone"(Lower Permian). The rock was deposited in late paleozoic era in between 280 to 230myrs.

2.A Mostly the lines are shown in the NW corner are Faults. Faults occur in a single geologic unit and same geologic unit on both sides.

3.A Anticline

4.A No

5.A Steepness. Compared to Morrision formation the plainview formation is youngest and lower depth.

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