Thursday, August 8, 2019
The Western Part of Scotland Assignment Example | Topics and Well Written Essays - 250 words
The Western Part of Scotland - Assignment Example Apart from these two rocks, alkali basalt or dikes are also scattered in this part and dates 66à ±0.4Ma.The mid-latitude regions ranging from 250mà to 350m is covered by all categories of rocks, igneous, metamorphic and sedimentary. These include orthogneiss, psammite, trondhjemite, polite, amphibolites and spinifex komatiite dating 800,000,000 million years ago.à The lower regions (below 250m) mainly consist of pebbly sandstone, conglomerate sandstone, limestone, white sandstone and pegmatite dikes dating about 180,000,000 years ago.à The highest point of this place lies on the eastern part and it slopes towards the western region. Where à » is decay constant = 1.42 X 10-11 yr-1 and t is age in years. The equation takes the form y = mx + c where eà »t-1 is equal to the gradient. Rearranging gives t = Ln(1.005689) à · 1.42 X 10-11 yr-1 4.00 X 108 years
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