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Heavy Mineral Variability And Provenance Of The Virginia Inner Shelf And Lower Chesapeake Bay
Calliari, L. J. Fischler, C. T. Berquist, C. R.
Calliari, L. J.
Fischler, C. T.
Berquist, C. R.
Abstract
The mineral composition of the 3- to 4-phi (0.125 to 0.063 mm) size fraction of 49 surficial grab samples,located north and south of the entrance to Chesapeake Bay and of 38 surficial samples, located in the bay mouth, was determined during this study. Although up to 17 minerals were identified, principal components analysis indicated that seven minerals accounted for 96 percent of the composition variance in the bay samples. By using Q-mode factor analysis, three mineral composition end-members (factors) were selected from the sample data and provided an adequate description of the spatial variation in heavy-mineral composition. The end members suggest possible mineral sources.
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1990
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Virginia Division Of Mineral Resources
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VDMR103_6_Caliari.pdf
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Virginia Institute of Marine Science