Definition of diabase. Meaning of diabase. Synonyms of diabase

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

Definition of diabase

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 diabase from wikipedia

- Look up diabase in Wiktionary, the free dictionary. Diabase (/ˈdaɪ.əˌbeɪs/), also called dolerite (/ˈdɒl.əˌraɪt/) or microgabbro, is a mafic, holocrystalline...
- 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...
- 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...
- 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...
- Subvolcanic rocks include diabase (also known as dolerite) and porphyry. Common examples of subvolcanic rocks are diabase, quartz dolerite, microgranite...
- as black granite. In geological terms, black granite might be gabbro, diabase, basalt, diorite, norite, or anorthosite. Morales Demarco, Manuela; Oyhantçabal...
- extrusive igneous rock. Types of trap rock include basalt, peridotite, diabase, and gabbro. Trap is also used to refer to flood (plateau) basalts, e.g...
- pyroxene, amphibole, and biotite. Common mafic rocks include basalt, diabase and gabbro. Mafic rocks often also contain calcium-rich varieties of plagioclase...
- 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...