The goal of the Deep Sea Drilling Project (DSDP) was to investigate the sediments and rocks beneath the deep oceans by drilling and coring. The data featured in this exercise were taken from ocean sediment cores collected by the Glomar Challenger drill ship, at seven sites east and west of a mid-ocean ridge, during DSDP Leg 3, in late 1968. The age of the contact between the sediment and the basalt of the ocean floor was determined by identifying the nannofossils found at each contact. (Note: The links in this paragraph are for your own research, and are not required readings necessary for completing this assignment)In the paragraph above we learn that scientists were studying nannofossils (very small fossils) in sediment found sitting on top of oceanic basaltic crust. These nannofossils were primarily coccolithophores and foraminfera, mixed with small amounts of abyssal clay. Using this information, and your textbook readings, what specific type of sediment were researchers analyzing at this location?

Question

07-10-2019
Geography

contestada

The goal of the Deep Sea Drilling Project (DSDP) was to investigate the sediments and rocks beneath the deep oceans by drilling and coring. The data featured in this exercise were taken from ocean sediment cores collected by the Glomar Challenger drill ship, at seven sites east and west of a mid-ocean ridge, during DSDP Leg 3, in late 1968. The age of the contact between the sediment and the basalt of the ocean floor was determined by identifying the nannofossils found at each contact. (Note: The links in this paragraph are for your own research, and are not required readings necessary for completing this assignment)In the paragraph above we learn that scientists were studying nannofossils (very small fossils) in sediment found sitting on top of oceanic basaltic crust. These nannofossils were primarily coccolithophores and foraminfera, mixed with small amounts of abyssal clay. Using this information, and your textbook readings, what specific type of sediment were researchers analyzing at this location?

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adioabiola adioabiola · Answer 1 · 2022-01-31T13:00:08+01:00

The specific type of sediments which researchers were analyzing at this location were; Calcium sediments of shells

Nanofossils

Coccolithosphores are a single-celled marine flagellate that secretes a calcareous shell, forming an important constituent of the phytoplankton.

Foraminfera are a single-celled planktonic animal with a perforated chalky shell through which slender protrusions of protoplasm extend. Most kinds are marine, and when they die thick ocean-floor sediments are formed from their shells.

From observation of the type of nano-fossils investigated, we can conclude that the researchers were analysing Calcium sediments at this location.