- Basalt
Basalt … basalt through the crust, forming an apron of mixed basalt and wall rock breccia and a fan of basalt tuff further out from the volcano. …
22 KB (2844 words) - 12:54, 29 December 2008
- Tholeiitic basalt
Tholeiitic basalt is an igneous rock , a type of basalt . Like all basalt, the rock type is dominated by clinopyroxene plus plagioclase …
3 KB (419 words) - 18:10, 5 August 2008
- Blueschist
Blueschist (ˈbluːʃɪst) is a rock that forms by the metamorphism of basalt and rocks with similar composition at high pressure s and low …
5 KB (674 words) - 16:37, 16 November 2008
- Pseudotachylite
Pseudotachylite is a fault rock that has the appearance of the basaltic glass , tachylyte . It is generally found either along fault …
1,015 B (125 words) - 20:46, 5 April 2008
- Dubh Artach (redirect St. John's Rock)
Dubh Artach (duːˈɑrtɑːx in English, t̪uh arˠʃt̪əx in Gaelic ) is a remote skerry of basalt rock off the west coast of Scotland lying 18 …
17 KB (2233 words) - 00:56, 24 December 2008
- Cook's Head Rock
Cook's Head Rock is a phonolite basalt rock standing on the Chrystall's Beach expanse closely north of the rivermouth settlement Toko Mouth …
898 B (115 words) - 23:18, 24 November 2007
- Gilbert Hill
Gilbert Hill is a 60 | m | ft | 0 | abbr on monolith column of black basalt rock in Andheri , in Mumbai , India . The rock has a sheer …
4 KB (472 words) - 05:11, 7 June 2008
- Diabase
Diabase (ˈdaɪəbeɪs) or Dolerite is a mafic , holocrystalline , intrusive igneous rock equivalent to volcanic basalt or plutonic gabbro …
7 KB (892 words) - 21:05, 3 January 2009
- Lonar Lake
meteoritic impact crater on basalt rock A lake that evolved in the resulting basaltic rock formation , is both saline and alkaline in nature. …
15 KB (2381 words) - 07:12, 4 November 2008
- Peter's Rock
Peter's Rock, also known as Rabbit Rock, Rabbit Hill, Indian Rock and Great Rock, … rare plant communities, and columnar basalt rock formations. …
7 KB (963 words) - 17:45, 24 October 2008
- Eclogite (section Eclogite and basalt petrogenesis)
Eclogite (ˈɛklədʒaɪt) is a coarse-grained mafic (basalt ic in composition) metamorphic rock . Eclogite is of special interest for at …
12 KB (1313 words) - 21:51, 11 December 2008
- Sentinel Peak (Arizona)
A Mountain features a large, painted, man-made letter "A" basalt rock formation, built by University of Arizona students. …
3 KB (404 words) - 02:51, 6 October 2008
- Picrite basalt
Picrite basalt is a variety of high-magnesium olivine basalt that is very rich in … The rock type is also referred to as oceanite. …
4 KB (578 words) - 15:52, 4 December 2008
- Igneous rock
Image:North america rock volcanic. … Plume-related decompression melting also is the most common explanation for flood basalt s and oceanic …
28 KB (3583 words) - 13:26, 8 January 2009
- Buldhana district
The world's largest hyper-velocity meteorite impact crater in basaltic rock, the Lonar crater , is located in Buldhana district. …
27 KB (3587 words) - 18:02, 3 January 2009
- North Berwick Law
Geologically, the law is a volcanic plug of hard basalt rock which survived the scraping glaciers of the ice age , and is now neatly …
2 KB (299 words) - 13:47, 4 January 2009
- Kanheri Caves
Kanheri comes from the Sanskrit word Krishnagiri generally meaning black in colour They were chiseled out of a massive basaltic rock …
6 KB (729 words) - 02:15, 20 December 2008
- Střekov castle
It was built at the beginning of the 14th century on a basalt rock above the river Labe to protect the important waterway and to collect …
2 KB (302 words) - 14:43, 24 December 2008
- Whin Sill
Whin Sill is a tabular layer of igneous rock, or sill , in County Durham and … Formed of dolerite (a basaltic rock) 295 million years ago …
5 KB (845 words) - 20:58, 11 November 2008
- Long Island (Nova Scotia)
Long Island is approximately 15 km long and 5 km wide and is primarily basalt rock of the North Mountain ridge. The southern coast (St. …
3 KB (463 words) - 23:27, 27 September 2008