gneisses

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Peculiar modes of occurrence of gold in Brazil
O. A. Derby

American Journal of Science December 1884, s3-28 (168) 440-447; DOI: https://doi.org/10.2475/ajs.s3-28.168.440
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Notes on granitic rocks
T. Sterry Hunt

American Journal of Science February 1871, s3-1 (2) 82-89; DOI: https://doi.org/10.2475/ajs.s3-1.2.82
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On the occurrence of thick beds of bituminous gneiss and mica schist in the Nullaberg, parish of Ostmark, province of Wermland, in Sweden
L. I. Igelstrom

American Journal of Science January 1868, s2-45 (133) 38-42; DOI: https://doi.org/10.2475/ajs.s2-45.133.38

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