9:53 . True or False. The Pennsylvanian and Mississippian Systems in the U. S. a
ID: 287897 • Letter: 9
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9:53 . True or False. The Pennsylvanian and Mississippian Systems in the U. S. are called the Carboniferous in Scout Cards are: Baseball cards featuring minor league players Collections of information about specific wells o Record of sighting of Indians in West Texas o 1920's vintage vehicles. 21. Cross bedding forms primarily by a Perpendicular to the direction of Turbidite flow Erosion of preexisting cross beds c Migration of ripples and dunes in water or air. A& C B&C; z. Match the Scientist to his contribution: Principle of Original The Present is the Key to the Law of Facies Succession How did early geologists find new oil fields in the Permian Basin? Witching with tree branches Surface structures Shallow subsurface structures 4 Google Earth images e B&C; 24 Early oil and gas leases in West Texas were Taken exclusively by Bankers from California. Were agreements ranchers and other land owners and oil to drill for oil and gas between cAll expired after their primary terms whether oil or gas was discovered Caused the bankruptcy of many large West Texas s What kind of depositional environment is suggested by deposits of caliche in soil? a Hot and Wet Cold and Wet e Cold and Dry 4 Moderate Temperature and Rainfall e Hot and Dry. Soils are a product of Mechanical Weathering e Sea Level Rises Land Slides e A& B C &Explanation / Answer
19) TRUE. The term "Carboniferous" is used throughout the world to describe the period, but in the United States it has been separated into the Mississippian(Early Carboniferous) and Pennsylvanian ( Late Carboniferous).
20) Scout cards are : b) Collection of information about specific wells. A paper or computer file form completed by a scout on engineering and geological information gathered on a specific well being drilled. It includes well name, location, depth, date of completion, major formation tops encountered, well treatments and initial oil and gas production.
21) Cross Bedding forms primarily by: d) A and C. A cross bed or sets are groups of inclined layers and mainly forms during the deposition on an inclined surfaces of bedforms like ripples and dunes. They are mainly formed by the migration of ripples and dunes contained in a flowing medium such as water or wind.
22) Hutton - The present is the key to the past
Steno - Principle of Original Horizontality
Walther - Law of sedimentary succession.
23) e) B and C.
The discovery of oil fields in the Permian basin can be directly correlated with the surface and subsurface structures which act as indicators of the presence of hydrocarbons like mud volcanoes or oil seeps at the surface.
24) b) Were agreements to drill for oil and gas between ranchers and other local owners and oil companies.
25) e) Hot and Dry.
Caliche is a mineral deposit of gravel, sand and nitrates mainly found in dry areas, specifically in desert soils or aridisolm. Thus caliche in soil suggests desert environment or a hot and dry condition of deposition.
26) Soils are a product of : e) A and B.
Soil is formed by the chemical weathering and also by the mechanical/physical disintegration of rocks.
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