These layers of sedimentary rocks are located in Capitol Reef National Park, Uta
ID: 286980 • Letter: T
Question
These layers of sedimentary rocks are located in Capitol Reef National Park, Utah. The red line is drawn along an erosional surface indicating an unconformity. But, what type?
It is a Disconformity
It is a Nonconformity
It is an Angular Unconformity.
It is a Disconformity
It is a Nonconformity
It is an Angular Unconformity.
QUESTION 6 These layers of sedimentary rocks are located in Capitol Reef National Park, Utah. The red line is drawn along an erosional surface indicating an u nconformity. But, what type? is a Nonconformity O it is an Angular UnconformityExplanation / Answer
When sedimentary rocks are found to be deposited without interruption, they are said to be 'conformable', but when there is a gap, it leads to formation of unconformity.
•ANGULAR UNCONFORMITY
•THIS OCCURS WHEN OLDER SERIES OF BEDS HAVE BEEN DEFORMED BEFORE DEPOSITION OF YOUNGER BEDS. EXAMPLE: TELHEIRO BEACH, PORTUGAL
•THIS OCCURS WHERE THE STRATA OF OLD SERIES HASNT BEEN TILTED BEFORE DEPOSITION OF NEW STRATA. EXAMPLE: CAPITOL REEF NATIONAL PARK UTAH
[ANSWER TO YOUR QUESTION]
•NON CONFORMITY
SINCE IN THE GIVEN IMAGE, THE BEDS ABOVE AND BELOW ARE PARALLEL, THIS TYPE OF UNCONFOMITY IS DIFFICULT TO RECOGNIZE.
FACTORS WHICH AID IN RECOGNITION OF UNCONFORMITIES ARE:- DIFFERENCE IN STRUCTURE, DIFFERENCE IN FOSSIL RECORD, PRESENCE OF CONGLOMERATES, FOSSIL SOIL, DIFFERENCE IN ENVIRONMENTAL DEPOSITION, RELATION TO INTRUSIVES AND DIFFERENCE IN THE GRADE OF METAMORPHISM.
UNCONFORMITIES•ANGULAR UNCONFORMITY
•THIS OCCURS WHEN OLDER SERIES OF BEDS HAVE BEEN DEFORMED BEFORE DEPOSITION OF YOUNGER BEDS. EXAMPLE: TELHEIRO BEACH, PORTUGAL
•DISCONFORMITY
•THIS OCCURS WHERE THE STRATA OF OLD SERIES HASNT BEEN TILTED BEFORE DEPOSITION OF NEW STRATA. EXAMPLE: CAPITOL REEF NATIONAL PARK UTAH
[ANSWER TO YOUR QUESTION]
•NON CONFORMITY
•THIS OCCURS WHERE BEDDED SEDIMENTARY ROCKS LIE OVER NONBEDDED IGNEOUS MASS. EXAMPLE: GRANITE OVERLAYING PALEOZOIC SAND STONE, COLORADO
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