The New Encyclopaedia Britannica, Volume 8 |
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Page 61
... rocks formed by contact meta- morphism are limited in extent and closely associated with an igneous intrusion . Pres- sure gradients are absent and fluid effects are dependent on the type of intrusion . A typi- cal resultant rock has a ...
... rocks formed by contact meta- morphism are limited in extent and closely associated with an igneous intrusion . Pres- sure gradients are absent and fluid effects are dependent on the type of intrusion . A typi- cal resultant rock has a ...
Page 68
... Rocks behave under these conditions much like flu- ids . The first rarefactions develop along the target - projectile interface and later the projec- tile itself . Decompression leads to the ejection of fluidized rock as a hot jet that ...
... Rocks behave under these conditions much like flu- ids . The first rarefactions develop along the target - projectile interface and later the projec- tile itself . Decompression leads to the ejection of fluidized rock as a hot jet that ...
Page 512
... rocks over younger rocks . In places , erosion may cut into the nappe so deeply that a circular or elliptical patch of the younger , underlying rock is exposed and completely surrounded by the older rock ; this patch is called a fenster ...
... rocks over younger rocks . In places , erosion may cut into the nappe so deeply that a circular or elliptical patch of the younger , underlying rock is exposed and completely surrounded by the older rock ; this patch is called a fenster ...
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