beacon supergroup造句
造句与例句
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- It was named after sedimentary features, called turbidites, which were reportedly found in sedimentary rocks of the Beacon Supergroup that comprise the summit of this hill.
- In the oblique aerial photo at right, the tan bands are sandstone layers from the Beacon Supergroup, a series of sedimentary rock layers formed at the bottom of a shallow sea between 250 million and 400 million years ago.
- It was mapped by the United States Geological Survey from surveys and from U . S . Navy air photos, 1960 64, and was so named by the New Zealand Geological Survey Antarctic Expedition ( 1969 70 ) because the mountain is composed of a granite basement with horizontally layered rocks of the Beacon Supergroup above.
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