0.5 m Cretaceous North Horn Formation, Utah Rock Type: Conglomerate with interbe

Question

0.5 m Cretaceous North Horn Formation, Utah Rock Type: Conglomerate with interbeds of sandstone Composition: Boulders, cobbles, and pebbles comprised of sandstone and limestone. Matrix comprised of quartz, lithics, and mud Texture: Poorly sorted, large clasts subrounded, sand-size material angular to subrounded Color: Red to reddish brown Sedimentary Structures: Thick-bedded with primary dips of a few degrees to the east; gravel-filled channels Fossils: None Regional Trend: Formation is over 2,000 feet thick in central Utah; it becomes thinner and finer-grained to the east

Explanation / Answer

1) conglomerate

2) deposition occured near very deep in the ocean.

3) deep marine

que 2

1) poorly sorted clasts with variable roundings, red colors, and gravel filed channels.

que 1

1)conglomerate, sandstone, silts stone, shale

2) stream

que 4

1)delta and barrier islands

2) coarse grained and well sorted and angular nature of the sediment, fossils of terrestrial invertibrates.

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