These mountains were shaped over 500 million years in three separate building periods called oroginies. At this time the Caledonia Mountains rose up and wore down before the Atlantic Ocean started to split the continent.ĭuring the first period, the Taconic, and the second, the Acadian, North America, Greenland, Ireland, and Scotland were all one land mass called Laurentia. Two hundred million years of erosion turned the Appalachians from high, Alp_like peaks into rounded hills, but This is why the mountains of the Scottish Highlands and the Appalachians seem so similar they were the same range!ĭuring the third period, the Alleghenian, the Laurentian and West African continents smashed together, causing the Appalachians to curve like a half moon, mirroring the bulge in Africa. Ridges of hard quartz sandstone survived, forming long valleys of softer shale.
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This produced a long range of accordion_like steep ridges, full of foliage entanglements like mountain laurel, and therefore difficult to transverse, alongside valleys and ‘hollers’ full of generally agriculturally useless soil. #Appalachian mountain music collector brothers full The Appalachians therefore tended to attract poorer people looking for cheaper or unwanted land. There were other reasons that postponed settlement of this region than pure geography:ġ. #Appalachian mountain music collector brothers full.
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