| Dictionary, Encyclopedia and Thesaurus - The Free Dictionary 1,773,897,356 visitors served. |
|
Dictionary/ thesaurus | Medical dictionary | Legal dictionary | Financial dictionary | Acronyms | Idioms | Encyclopedia | Wikipedia encyclopedia | ? |
diabase |
Also found in: Dictionary/thesaurus, Acronyms, Wikipedia, Hutchinson | 0.02 sec. |
|
diabase: see basalt basalt (bəsôlt`, băs`ôlt) ..... Click the link for more information. . diabaseor doleriteFine- to medium-grained, dark gray to black intrusive igneous rock. Diabase is one of the dark rocks known commercially as “black granite.” It is extremely hard and tough and is commonly quarried for crushed stone, under the name “trap.” Chemically and mineralogically, diabase closely resembles the volcanic rock basalt, but it is generally somewhat coarser grained. diabase [′dī·ə‚bās] (petrology) An intrusive rock consisting principally of labradorite and pyroxene. How to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit webmaster's page for free fun content. |
|
| ? Mentioned in | ? References in periodicals archive | |
|---|---|---|
Mapping in this area also outlined a swarm of diabase dykes and associated diatreme breccias, which were emplaced in the main E-W rift associated with the Richmond Gulf zone (Simard et al. Outcroppings of diabase boulders are found throughout the park. The company's geologist has confirmed that the site contains more than 100 million tons of diabase in a relatively pure deposit, an estimate confirmed by geologists from the Ministry of Natural Resources and the Finnish firm which has agreed to purchase the material. |
| Encyclopedia |
| Free Tools: |
For surfers:
Free toolbar & extensions |
Word of the Day |
Help
For webmasters: Free content | Linking | Lookup box | Double-click lookup | Partner with us |
|---|