Difference between revisions of "Basalt"

From WebRef.org
Jump to navigationJump to search Buy Scott Pilgrim vs. the World for PC at Green Man Gaming
 
(4 intermediate revisions by the same user not shown)
Line 1: Line 1:
a fine-grained volcanic rock used for the manufacture of chipped stone artifacts. Color black to gray, texture granular to glass-like.
+
* (anthropology, archaeology) a fine-grained volcanic rock used for the manufacture of chipped stone artifacts. Color black to gray, texture granular to glass-like.
 +
* (environment) Consistent year-round energy use of a facility; also refers to the minimum amount of electricity supplied continually to a facility. <br/>Source: [http://www.epa.gov/OCEPAterms/ Terms of the Environment]
 +
* (geology)
 +
# A fine-grained  [[colored]] [[extrusive rocks]]. <br/>Source: Leet, L. Don. 1982. <i>Physical Geology, 6th Edition.</i> Englewood Cliffs, NJ: Prentice-Hall
 +
# A general term for dark-colored mafic igneous rocks, commonly extrusive but locally intrusive (e.g., as dikes), composed chiefly of calcic plagioclase and clinopyroxene; the fine-grained equivalent of gabbro. Nepheline, olivine, orthopyroxene, or quartz may be present. Adj. basaltic. CF: [[tholeiite]] <br/>Source: Dictionary of Mining, Mineral, and Related Terms
  
 
[[Category: Anthropology]]
 
[[Category: Anthropology]]
 
[[Category: Archaeology]]
 
[[Category: Archaeology]]
 
+
[[Category: Environment]]
 
+
[[Category: Geology]]
 
 
 
 
 
 
<html>
 
<script type="text/javascript">
 
amzn_assoc_placement = "adunit0";
 
amzn_assoc_search_bar = "true";
 
amzn_assoc_tracking_id = "j5rson-20";
 
amzn_assoc_search_bar_position = "bottom";
 
amzn_assoc_ad_mode = "search";
 
amzn_assoc_ad_type = "smart";
 
amzn_assoc_marketplace = "amazon";
 
amzn_assoc_region = "US";
 
amzn_assoc_title = "Shop Related Products";
 
amzn_assoc_default_search_phrase = "anthropology";
 
amzn_assoc_default_category = "All";
 
amzn_assoc_linkid = "1ba5ff60b9cb0a65276bb8dd497c88ca";
 
amzn_assoc_rows = "1";
 
</script>
 
<script src="//z-na.amazon-adsystem.com/widgets/onejs?MarketPlace=US"></script>
 
</html>
 

Latest revision as of 16:15, 23 June 2021

  • (anthropology, archaeology) a fine-grained volcanic rock used for the manufacture of chipped stone artifacts. Color black to gray, texture granular to glass-like.
  • (environment) Consistent year-round energy use of a facility; also refers to the minimum amount of electricity supplied continually to a facility.
    Source: Terms of the Environment
  • (geology)
  1. A fine-grained colored extrusive rocks.
    Source: Leet, L. Don. 1982. Physical Geology, 6th Edition. Englewood Cliffs, NJ: Prentice-Hall
  2. A general term for dark-colored mafic igneous rocks, commonly extrusive but locally intrusive (e.g., as dikes), composed chiefly of calcic plagioclase and clinopyroxene; the fine-grained equivalent of gabbro. Nepheline, olivine, orthopyroxene, or quartz may be present. Adj. basaltic. CF: tholeiite
    Source: Dictionary of Mining, Mineral, and Related Terms


Sponsor: Subscribe to New Scientist for just AU$20

6th night free. Make up for missed travel. Up to 30% off all-inclusive.