The development of pseudo-stratification by metamorphic differentiation in the schists of Otago, New Zealand

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ID: 294255
1941
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Abstract
"The banded or laminated structure in the Paleozoic schists of the South island, New Zealand, is shown to be a pseudo-stratification. The conclusion is reached that this banded structure is mainly the result of metamorphic differentiation, brought about by chemical mobilization of the more readily soluble constituents of the rock. In accordance with the theory of Sander, it is suggested that chemical mobilization reaches its maximum when mechanical action has reduced the grain size of the original rock so much that the velocity of the direct componental movement of grains, which is directly proportional to the grain size, is below a critical value. Supplemental influence of magmatically derived material, especially silica, is admitted but is considered subordinate. In many places the laminated structure of metamorphic origin has been transposed and partly obliterated as strong deformation continued."
Reference Key
openalex_W2320039023 Use this key to autocite in the manuscript while using SciMatic Manuscript Manager or Thesis Manager
Authors Francis J. Turner
Journal american journal of science
Year 1941
DOI
10.2475/ajs.239.1.1
URL
https://doi.org/10.2475/ajs.239.1.1
Keywords Keywords not found

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