How Did William Smith Produce a Complete Picture of the Layers

question 84

Multiple Choice

How did William Smith produce a complete picture of the layers in a deep section of local rocks when the layer was not actually exposed in any one place?

• A) He made inferences based upon his observations and knowledge of a complete section of exposed rock 150 km away.
• B) He utilized the chemical compositions of rocks that were brought up by a well-driller's core sampler.
• C) He drew correlations between different parts of the deep section that were exposed in nearby locations.
• D) He applied his knowledge of the past history of the local geology and matched up the fossils.

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Definitions:

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