Saturday, June 22, 2019
Geology Essay Example | Topics and Well Written Essays - 250 words - 5
Geology - Essay ExampleIt is in these mountains that the described rock was found (Washington Geologic Newsletter 56)According to further research, there is evidence suggesting that stir of the Cascade Mountains that occurred in the Columbian river, which is denoted as the ancestral Columbia river exhibited a coincidence that saw the formation of a canyon through cutting. In the long time that followed, fluid deposition and intracanyon flows accounted for the existence of basalt in the river channel. Such basalt is the basic material that formed the volcanic rocks similar to the type presented in the image.The latest event in the Columbia River basalt was the deposition of the saddle mountain basalt. Saddle Mountains have been described as containing high silica content, and of noticeably thin nature compared to other basalts of the Columbian river (70). The nature of appearance is the result if extensive compression as well as that of the ensuing extensional events that followed as the deposited basalt
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