GSCI 1050 Lecture 6: Lab 6 notes

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Describing sedimentary rocks: use the texture of the rock and its sedimentary structure to interpret the depositional environment, texture will indicate transport distance and source, sedimentary structures will indicate the conditions in which the sediment was transported. Palione narrative: take three rocks and write narrative about how the environment changed, mud cracks and salt dry environment, rain drops so a wet environment. Intially there was rain and water, it then stopped raining and dryed out which is why there are mud cracks. 6b: the map diagram is a required figure, label the sedimentary structures within each sample, create a short narrative, creat ripple marks in container, narrative is a required attachment. What attributes of a sedimentary rock help indicate the environment in which it was originally deposited: texture of the rock, sedimentary structures. A drop in sea level is a regression. More horizontal area, more rock and more evidence.

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