Definition of Diabases. Meaning of Diabases. Synonyms of Diabases

Here you will find one or more explanations in English for the word Diabases. Also in the bottom left of the page several parts of wikipedia pages related to the word Diabases and, of course, Diabases synonyms and on the right images related to the word Diabases.

Definition of Diabases

Diabase
Diabase Di"a*base, n. [F. diabase, fr. Gr. ? a crossing or passing over, fr. ?; ? + ? to go; -- so called by Brongniart, because it passes over to diorite.] (Min.) A basic, dark-colored, holocrystalline, igneous rock, consisting essentially of a triclinic feldspar and pyroxene with magnetic iron; -- often limited to rocks pretertiary in age. It includes part of what was early called greenstone.

Meaning of Diabases from wikipedia

- chlorite, and calcite. The texture is termed diabasic and is typical of diabases. This diabasic texture is also termed interstitial. The feldspar is high...
- and the specific gravity is 2.8 - 3.0. The type localities are in the diabases of the Connecticut River valley and Arendal, Aust-Agder, Norway. ****ociated...
- The York Haven Diabase is a rock formation in Pennsylvania, United States. It underlies the Rossville Diabase and is Jur****ic in age. The formation is...
- The Diabase Hills are a mountain range in Washoe County, Nevada. "Diabase Hills". Geographic Names Information System. United States Geological Survey...
- the diabasic portion and are composed of a distinct type of rock called Diabase-Schist-Tuff, as noted in earlier geological research. However, more recent...
- of this igneous rock. There is very little co****r-grained gabbro and diabase. Nephelinite is exposed on the islands but is extremely rare. The majority...
- University. Wherry theorized that the ringing was due to the texture of the diabase rocks and that they were supported by other rocks. He identified the boulder...
- Many instances of scapolitization have been described from the ophites (diabases) of the Pyrenees. In the unaltered state these are ophitic and consist...
- years ago. Along the river, the Palisades are of metamorphic basalt, or diabases, the Highlands are primarily granite and gneiss with intrusions, and from...
- of a valley temple, now buried beneath the village of Nazlet el-Samman; diabase paving and nummulitic limestone walls have been found but the site has...