Subject ASC0003v2f
The geologist : a popular monthly magazine of geology.
Vol.2 (1859), Page 428 (1859)
Natural History Museum Library, London
BHL Page 46198134
Keywords
ore-vein geology Reinhard Cotta breccia-vein rock banded or layer-like form drusy cavities Cotta's Hypothesis Cell breccia vein compact texture vein ore vein texture breccia ore vein vughs banded texture layered texture