Morphological features of Miocene submarine coherent lavas from the ?Green Tuff? basins: examples from basaltic and andesitic rocks from the Shimokita Peninsula, northern Japan

1991 ◽  
Vol 53 (3) ◽  
pp. 173-181 ◽  
Author(s):  
Hiromitsu Yamagishi
Keyword(s):  
Morphological Features ◽  
Shimokita Peninsula ◽  
Northern Japan

scholarly journals Holocene sea-level change and Antarctic melting history derived from geological observations and geophysical modeling along the Shimokita Peninsula, northern Japan

2012 ◽  
Vol 39 (13) ◽  
pp. n/a-n/a ◽  
Author(s):  
Yusuke Yokoyama ◽  
Jun'ichi Okuno ◽  
Yosuke Miyairi ◽  
Stephen Obrochta ◽  
Nobuhiro Demboya ◽  
...  
Keyword(s):  
Sea Level ◽  
Sea Level Change ◽  
Geophysical Modeling ◽  
Level Change ◽  
Shimokita Peninsula ◽  
Northern Japan ◽  
Holocene Sea Level

Montmorillonite Dendrites

1974 ◽  
Vol 32 ◽  
pp. 454-455
Author(s):  
Necip Güven ◽  
Rodney W. Pease
Keyword(s):  
Crystal Growth ◽  
Growth Mechanism ◽  
Growth Front ◽  
Morphological Features ◽  
Dendritic Crystal ◽  
Crystal Growth Mechanism

Morphological features of montmorillonite aggregates in a large number of samples suggest that they may be formed by a dendritic crystal growth mechanism (i.e., tree-like growth by branching of a growth front).

Polymer Morphology Revealed by Staining Techniques

1981 ◽  
Vol 39 ◽  
pp. 340-341
Author(s):  
A. C. Reimschuessel ◽  
V. Kramer
Keyword(s):  
Polymer Melt ◽  
Nylon 6 ◽  
Morphological Features ◽  
Negative Staining ◽  
Polymer Morphology ◽  
Crystallizable Polymer ◽  
Staining Techniques ◽  
Long Chain

Staining techniques can be used for either the identification of different polymers or for the differentiation of specific morphological domains within a given polymer. To reveal morphological features in nylon 6, we choose a technique based upon diffusion of the staining agent into accessible regions of the polymer.When a crystallizable polymer - such as nylon 6 - is cooled from the melt, lamellae form by chainfolding of the crystallizing long chain macromolecules. The regions between adjacent lamellae represent the less ordered amorphous domains into which stain can diffuse. In this process the lamellae will be “outlined” by the dense stain, giving rise to contrast comparable to that obtained by “negative” staining techniques.If the cooling of the polymer melt proceeds relatively slowly - as in molding operations - the lamellae are usually arranged in a radial manner. This morphology is referred to as spherulitic.

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