新西兰代写-Lewis景观

| 17-12月-2019 | 新西兰代写

  本篇新西兰代写-Lewis景观讲了构成整个景观的岛链的整体景观处于潜在的固态地质治理之下。这是完全由刘易斯片麻岩构成的。这些复杂的结晶岩石被认为是全球最古老的岩石。片麻岩上的矿物成分有微小的变化,这说明许多包裹体和条带表现出不同的抗侵蚀能力。这导致了Lewis景观的特征属性的产生,即硬质岩石地貌的多样性。本篇新西兰代写文章由新西兰第一论文 Assignment First辅导网整理,供大家参考阅读。

  The overall landscape of the chain of island making up the entire landscape is under the governance of underlying solid geology. This has been made up completely out of the Lewisian gneiss. These complicated crystalline rocks are known to be the oldest of all across the globe. There are small variations in the constituents of mineral over the gneiss, which depict that a number of inclusions and bands have been exhibiting different resistance with respect to erosion. This results in the creation of characteristic attributes of the landscape of Lewis that is the diversified landforms of hard rock (Farina 2008, 31).

  Among the production of most marked contrasts is the variation between considerably subdued topography with respect to the plateaux of North region of Lewis and the rigged bold hills of Harris and South Lewi, these tend to be rising abruptly at the cost of blanket bog. Across the chain, the Southern Isles are categorized in terms of the set of steep rocky hills. These have been dominating majority of the coastline in the east and have been contrasting low level of plains of machair facing the Atlantic Ocean across the western side of the coastline. Considering the mainland of this landscape, the overall landscape is known to be owing majority of the impacts of post glacial and glacial activity. The lack of covering rocks provides an indication that originally, the Western Isles used to be one big island. Traditionally, it was made out of Lewisian gneiss with fault bounds, standing above the level of sea for a number of years.

  In the duration of ice age, there was crossing of the Western Isles by the mainland sheets of ice, scouring the gneisses within the wilderness of rocky, bare knolls. The last biggest glaciation across the landscape took place by the local cap of ice, which experienced outward radiation from its centres at Harris and Uig. All across the Outer Hebrides, glacial action ended up exaggerating the complex fault mosaics related to the gneisses with the formation of valleys. There is glacial deepening, deep fjords, and concave corries among the hills of Harris and South Lewis, and lochan and knock landscapes. This consists of rocky hillocks with ice moulding alongside with hollows full of water (Lidwell et al. 2010, 81). These have been well established specifically in the South Harris, South Central Lewis and some areas of Barra. The land mass has been gradually inundated because of the rising levels of ocean water with the melting of last glaciers. Thus, what appeared to be an elongated island, resulted in splitting as scores of individual skerries and islands, and specifically along with the eastern coast. This resulted in the creation of a coastline with deep indenting over glacial valleys of deep floods.

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