Geology Wetzlar
wetzlar
wetzlar lies on eastern edge of rhenish massif. substrate consists of geologically young sediments of lahn , older devonian , carboniferous rocks of 2 main geological units of massif, lahnmulde , so-called giessen nappe. northwestern part of urban area lies on lahntal silt, sand , gravel, have hardened. deposited river lahn, @ point valley (which still 1 kilometre wide) west becomes increasingly narrow , deep. main part of city built on in part intensively folded, faulted , slated layers of shales, sandstone, quartzite , limestone. deposited in devonian , carboniferous periods in sea characterised island chains, volcanoes , atolls pushed , covered layer of rock had been transported location during period of mountain building known variscan orogeny. marine sedimentary rocks resulted tectonic action give town character used building material.
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