Nature, Volume 84Sir Norman Lockyer Macmillan Journals Limited, 1910 |
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Página 334
... batholiths of gneiss , or of granite merging at the edges into gneiss , with schists dipping steeply away from them on all sides . Where the batholiths approach one another the green schists occupy narrow troughs between . shown by ...
... batholiths of gneiss , or of granite merging at the edges into gneiss , with schists dipping steeply away from them on all sides . Where the batholiths approach one another the green schists occupy narrow troughs between . shown by ...
Página 339
... batholiths of early Laurentian gneiss . Then followed a profound gap in the record , during which the mountains were levelled to a hummocky pene- plain . This gap represents a very long period of weather- ing and destruction on a land ...
... batholiths of early Laurentian gneiss . Then followed a profound gap in the record , during which the mountains were levelled to a hummocky pene- plain . This gap represents a very long period of weather- ing and destruction on a land ...
Página 376
... batholiths , when well advanced , restores the condition temporarily disturbed by magmatic assimilation . " Mr. G. P. Merrill ( Amer . Journ . Sci . , vol . xxvii . , p . 469 ) concludes from averages of analyses of stony meteorites ...
... batholiths , when well advanced , restores the condition temporarily disturbed by magmatic assimilation . " Mr. G. P. Merrill ( Amer . Journ . Sci . , vol . xxvii . , p . 469 ) concludes from averages of analyses of stony meteorites ...
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