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The geological structure is named after the Chilliwack River Valley, where it outcrops in many places. It does not outcrop anywhere near the City of Chilliwack. The Chilliwack Batholith is part of the Pemberton Volcanic Belt and is the largest mass of exposed intrusive rock in the Cascade Volcanic Arc. The age of the Chilliwack batholith ranges ...
The first volcanic event 29 million years ago formed intrusive rocks of the large Chilliwack batholith, which extends south into the U.S. state of Washington. [1] [9] In Canada, the batholith consists of rocks ranging from hypersthene quartz gabbro to albite granite. Three main plutons are present.
Chilliwack (/ ˈ tʃ ɪ l ə w æ k / CHIL-ə-wak) is a city of about 100,000 people and 261 km 2 (100 sq mi) in the Canadian province of British Columbia.It is located about 100 km (62 mi) east of the City of Vancouver in the Fraser Valley.
Geologic belts of Western Canada. The geology of British Columbia is a function of its location on the leading edge of the North American continent.The mountainous physiography and the diversity of the different types and ages of rock hint at the complex geology, which is still undergoing revision despite a century of exploration and mapping.
Most of Mount Slesse is made up of granitic rocks related to the Chilliwack batholith, which intruded the region 26 to 29 million years ago after the major orogenic episodes in the region. This is part of the Pemberton Volcanic Belt , an eroded volcanic belt that formed as a result of the subduction of the Farallon Plate starting 29 million ...
Silvertip Mountain is related to the Chilliwack batholith, which intruded the region 26 to 29 million years ago after the major orogenic episodes in the region. This is part of the Pemberton Volcanic Belt, an eroded volcanic belt that formed as a result of subduction of the Farallon Plate starting 29 million years ago.
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