Minor accidents in the development of our extensive terranes sometimes stand out in bold relief, as it were, from the monotonous background. [Please select]
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Besides the general reconnoissance, he discovered the existence of large areas of Upper Silurian and Devonian terranes. [Please select]
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A vexing question concerning what are now called Cambrian terranes divided geologists for a quarter of a century after 1857, and had to be considered in preparing the geology of Vermont in 1861. [Please select]
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