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A zircon-tourmaline-rutile maturity index and the interdependence of the composition of heavy mineral assemblages with the gross composition and texture of sandstones,
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due to the long transport distances from the source and the high energy of the environment. These minerals are found in abundance due to their high
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Journal of
Sedimentary Research; September 1962; v. 32; no. 3; p. 440-450
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Prothero, D. R. and Schwab, F., 1996, Sedimentary
Geology, pg. 460,
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67:. Other minerals that can be used alongside the ZTR index are
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Heavy mineral concentrated in a beach sand near
Chennai, India
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Weathering index for sediments and sedimentary rocks
51:) is. The letters in ZTR stand for three common
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55:found in ultra-weathered sediments:
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79:, and other minerals from local
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160:. You can help Knowledge by
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92:depositional environments
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47:(or a corresponding
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128:Hubert, John F.,
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