Match the 4 major formations represented in Fig.3, Lab 6, with its rock type and

Question

Match the 4 major formations represented in Fig.3, Lab 6, with its rock type and approximate age. Refer to the geologic column, a figure in the Geologic Time section of Chapter 13 in your textbook, for the ages of the different periods thick, marine shales Pierre Niobrara calcareous sandstone Benton fossiliferous shale resistant, beach deposited sandstone Dakota urgatoire J | Morrison fossiliferous shale Ralston Creek Alagoonal produce sum Lykins Lyons 0 | Fountain Geologic Column of the Garden of the Gods. Lykins Sedimentary. 245-286 my v Lyons Sedimentary (mostly conglon v Fountain Igneous (intrusive). 300 my, v Pikes Peak Granite Sedimentary (shale, limeston v

Explanation / Answer

1.Lyons formation is sedimentary mostly sandstone and conglomerate formed in paleozoic era, middle Permian near 250mya.

Fountain formation is sedimentary rock primarily consisting conglomerate and sandstone formed in Pennsylvanian-Permian age.

Pikes peak granite is igneous rock of age approximately 1.08 billion years.

Lykins formation is a sedimentary formation comprising mudstone and limestone with age ranging from 245 to 210 million years old.

2. Dip is measured on a vertical plane perpendicular to strike line. Angle between horizontal plane and inclined plane. So tower of babel fault has approximately 45 degrees dip.

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