For this topic, you will choose one (1) topic from the attached list and constru

Question

For this topic, you will choose one (1) topic from the attached list and construct one one-page concept sketch. Remember that a concept sketch consists of a sketch (or series of sketches), labels, and complete sentences written around the sketch describing the important processes or parts of the sketch.

·       Jurassic rocks of Zion National Park (UT): the age and characteristic of each formation in the sequence of rocks, the environment in which each formation is interpreted to have formed, and how the sequence of rocks is expressed in the scenery

·        Capitol Reef and Grand Staircase (UT): the ages, names, and characteristics of Mesozoic formations, the environments in which the main layers formed, and later geologic events that helped shape the scenery

·        Mesa Verde National Park (CO): the age and characteristic of each formation in the sequence of rocks, the environment in which each formation is interpreted to have formed, and how the sequence of rocks is expressed in the scenery and influenced the people who built the cliff dwellings

·        Sierra Nevada (CA): the ages and types of rocks exposed in the high part of the Sierra Nevada, the tectonic setting in which they are interpreted to have formed, and processes that resulted in present-day scenery

·        Franciscan Formation and Great Valley sequence (CA): what they are, their characteristic rock types and structures, and the tectonic setting in which they are interpreted to have formed

·       Sonoma orogeny: what and where it is, when it occurred, its tectonic setting, and how it is expressed in the rock record

·        Nevadan orogeny: what and where it is, when it occurred, its tectonic setting, and how it is expressed in the rock record

·        Sevier orogeny: what and where it is, when it occurred, its tectonic setting, and how it is expressed in the rock record

·        Breakup of Pangaea and dispersal of Gondwana: how the distribution of continents changed due to the breakup of Pangaea and Gondwana, and when different ocean basins were formed

·        Wrangellia: what it is, its characteristic ages and sequence of rocks, the tectonic setting in which it is interpreted to have formed, and its present-day distribution and interpretations of this distribution

·        Formation of the Atlantic Ocean and resulting movement of North America: when and how different parts of the Atlantic Ocean formed, and how continents on either side moved with time

·        Cretaceous interior seaway: what and where it is, when it occurred, its tectonic setting, and how it is expressed in the rock record

·        Bisbee Group of southern Arizona: what and where it is, when it occurred, its tectonic setting, and how it is expressed in the rock record

·        Laramide calderas of southern Arizona: what and where they are, the types of rocks they contain, and how they are interpreted to have formed (e.g., Tucson Mountains, Silverbell Mountains, and Tombstone Hills)

·        Monoclines of the Colorado Plateau: what and where they are, when they formed, models for how they formed, overall tectonic setting, how they are expressed in the scenery, and names and location of examples

Explanation / Answer

Mesa Verde National Park:-

This National park is a world Heritage site in Colorado. The exact geological structure which is mainly found here is Cuesta between canyons. The basement rock fomation generally found beneath the cuestas are shale deposited on top of sandstone. This sediments are Cretaceous deep marine sediment.

There are total three formation in this park. First is Point Lookout Feature in the park which were formed in the marine environment. Second is Menefee Formation fomed by carbonaceous shales, siltstone and sand stones. These are suspected to be deposited in semi marine environment.

The last and the thirsd one is Cliff house sandstone which is formed after Cretaceous sea having a high sand content from beaches and dunes. This Formation is fossiliferous.

The first inhabitants of this region were Paleo-Indians. They developede some local paleo rock art on the mesa tops.

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