How are sandstones from a Sahara desert different from sandstones from a stream?
Homework Answers
Sandstones from Sahara are a product of aeolian deposition and give quartz arenite and sandstones in desert environment usually have iron oxide or silica as cement. They are will sorted and and are a result of muti rock cycles. While as those from a stream bed are formed due to fluvial deposition with varied cementing materials (clayey, lime). They are not well sorted and have carbonaceous materials trapped in them and commonly develop over unconformity surfaces.
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are sandstones from a Sahara desert different from sandstones from
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How often does it switch between desert and grassland terrain in Sahara?
How often does it switch between desert and grassland terrain in Sahara?
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generator:
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generator:
Generate 100,000 Unif(0,1) pseudo-random numbers from the “desert island” 16807 generator. How many runs up and down did you observe? X; = 16807X;- mod(231-1)
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