EARTHSC 1G03 Lecture Notes - Lecture 1: Wadi Hammamat, Shen Kuo, James Ussher
5 Apr 2017
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Oldest geologic map (that we know of) Papyrus map dated to 1150 bc from wadi hammamat in egypt. Location of quarry, occurence of gold veins, gravels. James harrell explains discovery at link below. Every map, anything written is always an interpretation. Maps change all the time, that"s why they have a date given on them. Hypothesized that marine fossils were evidence of massive flooding. Abu rayhan muhammad ibn ahmad al-biruni (973-1048 ad) Hypothesized that india was once covered by indian ocean. Hypothesized climate shifts over time from fossilized bamboo (found in places it can"t grow) Described erosion and weathering, idea that climate zones have moved around. In 1650 ad, bishop ussher claimed the earth was created in 4004 bc. The official view before about 1750 was that sedimentary rocks were laid down in. All other surface features were due to intermittent catastrophes (catatrophism) Was the newton"s apple tree for geologists.
