## Abstract Many neotectonic structures (<15βMa) in Jamaica are best understood as reactivations (or inversion) of Paleogene structures (65β22βMa). In the Paleocene, Jamaica underwent crustal extension which formed northβnorthwestβtrending listric normal faults, including those of the Wagwater Belt
Some speculations on the growth mechanism of dendrites
β Scribed by E. Billig
- Publisher
- Elsevier Science
- Year
- 1957
- Weight
- 287 KB
- Volume
- 5
- Category
- Article
- ISSN
- 0001-6160
No coin nor oath required. For personal study only.
β¦ Synopsis
plates: when the faces are etched, this line shows up as a dense row of etch pits (Fig. 3), which is often recognizable as made up of a series of fairly regularly spaced triangular groups.
One dendrite has been ground obliquely to the t,win plane, so as to expose the structure of these groups at different distances from t'he surface (Fig. 4). Starting as smallirregular clusters at' the level of the twin-plane, t'hey develop outwards at an early stage, and t'hen assume a more regular arrangement until the t'riangular pat,tern which is ultimately seen on the out'er surface is recognizable.
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