 Cuyuna district which have been found up to the present time can all be grouped under three classes, (1) metamorphosed sedimentary and igneous rocks interlayered with each other in beds and lenses, usually with steep dip due to extensive folding, (2)...  Journal of the Washington Academy of Sciences - 20. lappuseautors: Washington Academy of Sciences (Washington, D.C.) - 1918Pilnskats - Par šo grāmatu
 | 1915 - 636 lapas
...sedimentary and igneous rocks interlayered with each other in beds and lenses, usually with steep dip due to extensive folding, (2) igneous rocks intruded...which lie horizontally on the eroded surfaces of the older rocks. The age of the various rocks is not definitely known. Because of their metamorphosed and... | |
 | 1917 - 948 lapas
...igneous rocks interlayered with each other in beds and lenses, usually with steep dip due to close folding; (2) igneous rocks intruded into the metamorphosed...which lie horizontally on the eroded surfaces of the preceding. The age of the various rocks is not definitely known. The old metamorphosed rocks have been... | |
 | 1917 - 854 lapas
...igneous roeks interlayered with each other in beds and lenses, usually with steep dip due to close folding; (2) igneous rocks intruded into the metamorphosed...which lie horizontally on the eroded surfaces of the preceding. The age of the various rocks is not definitely known. The old metamorphosed rocks have been... | |
 | Geological Survey (U.S.) - 1918 - 462 lapas
...to the present time in the district can all be grouped under three classes — (1) sedimentary and igneous metamorphosed rocks interlayered with each...age of the various rocks is not definitely known. Because of their metamorphosed and folded state,1 those of the first class have usually been designated... | |
 | Minnesota Geological Survey - 1918 - 424 lapas
...sedimentary and igneous rocks interlayered with each other in beds and lenses, usually with steep dip due to extensive folding, (2) igneous rocks intruded...which lie horizontally on the eroded surfaces of the older rocks. The age of the various rocks is not definitely known. Because of their metamorphosed and... | |
 | Edmund Cecil Harder, A. Walfred Johnston - 1918 - 572 lapas
...sedimentary and igneous rocks interlayered with each other in beds and lenses, usually with steep dip due to extensive folding, (2) igneous rocks intruded...which lie horizontally on the eroded surfaces of the older rocks. The age of the various rocks is not definitely known. Because of their metamorphosed and... | |
 | F. L. Ransome - 1918 - 760 lapas
...to the present time in the district can all be grouped under three classes — (1) sedimentary and igneous metamorphosed rocks interlayered with each...extensive folding, (2\ igneous rocks intruded into the metamor\>\xQSfc<i their metamorphism and deformation, and (3) younger rocks which lie horizontally... | |
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