Imagine that you are a member of a team of scientists who are dirilling into a l

Question

Imagine that you are a member of a team of scientists who are dirilling into a large creter approximately 200 km wide. The crater was formed by an NEO impect thet wiped out many species 251 million years ago. The drilling team will recover rock samples during the drilling process. You have some data to suggest that the crater is located between 500 and 1,500 meters below the surface. How will the drilling team know when the drill reaches the crater? What features will they observe? Complete these sentences related to that scenario and place them in the order they would be observed drilling from the surface to the crater floor (and below). further deformed Drag the text blocks below into their correct order ittle Fractured material would of the crater below the original floor undeformed stop Some mixed with the fractured rock. and evidence of melted rock could be ejecta shocked minerals Below that level, rocks would be by the impact. continue evidence of impact. breccia Upon approaching the floor of the original crater, would be encountered much

Explanation / Answer

Ans.

(1) Fractured material would LITTLE below the original flour of crater.

(2) Some SHOCKED MINERALS and evidence of melted rock could be mixed with fractured rock.

(3) Below that level rock would be FURTHER DEFORMED by the impacts.

(4) Drilling down from the surface rock should initially show CONTINUE evidence of impact.

(5) Upon approaching the floor of the original crater BRECCIA would be encountered.

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