 | Geological Society of America - 1895 - 608 σελίδες
...rock' in its fresh condition is a strongly foliated micaceous granite,* showing to the unaided eye a finely granular aggregate of quartz and feldspars...arranged in imperfect lenticular masses from 2 to 5 millimeters in diameter, about and through which are distributed abundant folia of black mica. In... | |
 | Geological Society of America - 1893 - 616 σελίδες
...The- rock in its fresh condition is a strongly foliated micaceous granite,* showing to the unaided eye a finely granular aggregate of quartz and feldspars...arranged in imperfect lenticular masses from 2 to 5 millimeters in diameter, about and through which are distributed abundant folia of black mica. In... | |
 | Geological Society of America - 1895 - 700 σελίδες
...The rock in its fresh condition is a strongly foliated micaceous granite,* showing to the unaided eye a finely granular aggregate of quartz and feldspars...arranged in imperfect lenticular masses from 2 to 5 millimeters in diameter, about and through which are distributed abundant folia of black mica. In... | |
 | George Perkins Merrill - 1897 - 502 σελίδες
...14) in its fresh condition is a strongly foliated gray micaceous granite showing to the unaided eye a finely granular aggregate of quartz and feldspars...arranged in imperfect lenticular masses from 2 to 5 mm. in diameter, about and through which are distributed abundant folia of black mica. In the thin... | |
 | Joseph Silas Diller - 1898 - 508 σελίδες
...necessarily widely variable. Among calcareous rocks it may amount to even upward of 99 per cent. Among siliceous rocks, however, the amount of soluble matter...arranged in imperfect lenticular masses from 2 to б"1Ш in diameter, about and through which are distributed the abundant folia of black mica. In the... | |
 | Joseph Silas Diller - 1898 - 508 σελίδες
...descriptions given must be accepted ¡is descriptive of the general results produced rather than as deönitely applicable to any particular sample. The fresh rock,...feldspars arranged in imperfect lenticular masses from li to бшш in diameter, about and through which are distributed the abundant folia of black mica.... | |
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... to the weathering, the first mentioned being judged as largely post-Cretaceous and the last post-Glacial. Materials of the nature here described are subject to considerable variation, and the descriptions given must be accepted as descriptive of the... 