Field trip Essay Example | Topics and Well Written Essays - 500 words - 3

Field trip - Essay Example The chose outcrop is inside the Marietta topographic quadrangle. It is situated along highway 7 in Ohio, West Virginia. As far as the co-ordinates, it is inside Sec. 2, T2N, R9W. The outcrop exists inside a rise of 640, which is from its base. The Bedrock Geology of Washington County rates the outcrop as of Pennsylvanian age. The stone arrangement is of the Monongahela gathering. The general stone sorts that exist in this outcrop are shale, siltstone, red shale, and greywacke. Therefore, the accompanying breakdown depicts the different arrangements that make up the basal layers: Layer 1 is comprised of 0.5m shale which is greenery green. It additionally has a lot of greenery fossils and has a secured basal contact. This layer lies at a horizontal convergence with siltstone. Layer 2 comprises of 1.5m siltstone. This is greenish dim in shading and exists as a composite. It is likewise shrouded in greenery fossils and has a secured basal contact. It lies at a parallel crossing point with red shale. Layer 3 comprise of 3.0m of red shale that is to a great extent rosy in shading. This likewise has secured basal contact and plant fossils. Layer 4 has 1.7m of greywacke that is dim in shading. This layer tightens along the side and comes up short on the plants. Its basal contact is unpredictable. Layer 5 is 2.2m of dark siltstone comprised of bigger parallel grains. There are no greeneries and the basal contact is lopsided. Layer 6 has 3.5m of greywacke with bigger grains. Layer 7 is comprised of 1.5m of horizontally layered greywacke. The last layer 8 is comprised of 1.5m of dark granulated siltstone. From such an investigation, different surmisings can be drawn from the outcomes, and the relating examination can be contrasted with previous hypothesis. This is significant in understanding the scene of such a district because of the dynamic nature it has. The ridges are overwhelmingly made of greywacke sandstones because of their protection from enduring. The valleys are something else