Subject ASC0003sls

The geological magazine, or, Monthly journal of geology.
Decade 2:v.1 (1874), Page 452 (1874)
Harvard University, Museum of Comparative Zoology, Ernst Mayr Library
BHL Page 32525777

Keywords

group orthoclase crystal rock felspathic matrix grain magnetite chlorite cell structure minerology porphory felpar porphyrite Lambay Porphyry mass crystals cavity Map Rock Structure of Porphyry Mass Stone Orthoclase Crystals

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