安裝中文字典英文字典辭典工具!
安裝中文字典英文字典辭典工具!
|
- Diabase - Wikipedia
Diabase is usually found in smaller, relatively shallow intrusive bodies such as dikes and sills Diabase dikes occur in regions of crustal extension and often occur in dike swarms of hundreds of individual dikes or sills radiating from a single volcanic center
- Diabase: A dark-colored, fine-grained intrusive igneous rock
Diabase is an intrusive igneous rock of basaltic composition It has been used as a construction stone for thousands of years Its most famous use is in the standing stones of Stonehenge
- Diabase or Dolerite - Geology Science
Diabase, also known as dolerite, is a type of igneous rock that holds significance in the field of geology due to its unique characteristics and formation process It is an intrusive rock, which means it forms from molten magma that cools and solidifies beneath the Earth’s surface
- Diabase FAQ - Golden Gate National Recreation Area (U. S. National Park . . .
Diabase is an intrusive igneous rock with the same mineral composition as basalt It cools under basaltic volcanoes, like those at mid-ocean ridges Diabase cools moderately quickly when magma moves up into fractures and weak zones below a volcano
- What You Shouldn’t Miss on Diabase or Dolerite Rock
Diabase, dolerite, or microgabbro is a medium-grained, dark-colored, hypabyssal, or subvolcanic rock with a composition similar to plutonic gabbro or volcanic basalt It commonly occurs in dikes, sills, and sometimes in plugs, sheeted dikes, laccoliths, or lopoliths
- Diabase | Igneous, Intrusive, Basaltic | Britannica
Diabase, fine- to medium-grained, dark gray to black intrusive igneous rock It is extremely hard and tough and is commonly quarried for crushed stone, under the name of trap
- Diabase or Dolerite Properties and Composition | Earth Know
Diabase is a massive, dense, hard, dark-colored rock with a specific gravity of 2 9-3 3g cm 3 and a Mohs hardness scale of 6-7 This rock is usually dark gray to black but can have a bluish or greenish tinge However, it may appear tan, brown, or reddish brown on a weathered surface
- Diabase - Rock Identifier
Diabase (Diabase) Diabase ( ˈdaɪ əbeɪs ) or dolerite or microgabbro is a mafic, holocrystalline, subvolcanic rock equivalent to volcanic basalt or plutonic gabbro
|
|
|