NW Foreland Test 0.0 / 5 ? GeologyRegional HellUniversityNone Created by: Supakicka1Created on: 08-12-18 16:22 Give names and approx ages of the two main deformation events in the Lewisian Complex? Scourian 2700 Ma Laxfordian 1750 Ma 1 of 5 What is an orthogneiss? Igneous protolith 2 of 5 What was the source of the sediment of the Torridon Group i.e. upper part of Torridonian (source age & location)? Zircon ages are from 1.8 to 1.1 Ma and Palaeocurrent directions suggest that the source was cratonic cover from the W to NW 3 of 5 What environment was the Lower Cambrian of NW Scotland deposited in? Shallow marine – possibly barrier island or inter tidal 4 of 5 - - 5 of 5
Geological Timeline and the Creation of the Atmosphere, Lithosphere, Hydrosphere and Biosphere 0.0 / 5
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