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The Occurrence of Boulders in the Tertiary Formations of Ecuador, South America

Published online by Cambridge University Press:  01 May 2009

George Sheppard
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Extract

Along certain of the coast sections in the province of Manabi, Ecuador, a series of large igneous boulders (of a coarse granitic type) occurs in situ among normal Tertiary sandstones. Tertiary sediments form the greater part of the “littoral” or coast belt of this country. One of the masses of rock referred to above had a weight, at least, of twenty tons—an exceptional size for an undoubted constituent member of a sandstone or a conglomerate.

Type
Original Articles
Information
Geological Magazine , Volume 62 , Issue 8 , August 1925 , pp. 368 - 369
Copyright
Copyright © Cambridge University Press 1925

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