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 sytheses that make up the basal layers: Layer 1 is comprised of 0.5m shale which is greenery green. It likewise has a lot of greenery fossils and has a secured basal contact. This layer lies at a horizontal crossing point with siltstone. Layer 2 comprises of 1.5m siltstone. This is greenish dim in shading and exists as a composite. It is additionally shrouded in plant 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 does not have the plants. Its basal contact is sporadic. 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 along the side layered greywacke. The last layer 8 is comprised of 1.5m of dark granulated siltstone. From such an examination, different surmisings can be drawn from the outcomes, and the relating investigation can be contrasted with prior hypothesis. This is significant in understanding the scene of such a district because of the dynamic nature it has. The peaks are prevalently made of greywacke sandstones because of their protection from enduring. The valleys are something else