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Stock# 90142
Description
Intriguing cross-section of the earth's crust, published to show the mid-19th-century interpretation of the evolution of the earth.
The map shows various layers of the earth, extending from a nucleus, outwards towards a sea of liquified material. Above this, there is a granitic crust and a series of sedimentary layers. From right to left, the map shows the aging of the crust, with an increasing granitic thickness. This represents the theory that the earth was initially fully liquid, and cooled from the outside in. The atmosphere is also shown becoming thinner over time.
This image was published by Francesco Marmocchi in Florence in 1838.
Condition Description
Original hand-color. Minor soiling.
