predominant rock
1Rock microstructure — includes the texture of a rock and the small scale rock structures. The words texture and microstructure are interchangeable, with the latter preferred in modern geological literature. However, texture is still acceptable because it is a useful… …
2Rock crusher — A rock crusher is a machine designed to take large rocks and reduce them to smaller rocks, gravel, or rock dust. Rock crushers produce aggregates and ready to process mining ores, as well as rock fill material for landscaping and erosion control …
3Rock mass classification — In geotechnical engineering, the first major rock mass classification system was proposed about 60 years ago for tunnelling with steel support. Later classification systems were developed for non steel support underground excavation, slope and… …
4Rock Creek and Potomac Parkway — The Rock Creek and Potomac Parkway, often known simply as the Rock Creek Parkway, is a parkway maintained by the National Park Service as part of Rock Creek Park in Washington, D.C. It runs next to the Potomac River and Rock Creek in a generally… …
5Rock carvings at Alta — Infobox World Heritage Site WHS = Rock Art of Alta State Party = NOR Type = Cultural Criteria = iii ID = 352 Region = Europe and North America Year = 1985 Session = 9th Link = http://whc.unesco.org/en/list/352The Rock carvings at Alta are part of …
6sedimentary rock — Rock formed at or near the Earth s surface by the accumulation and lithification of fragments of preexisting rocks or by precipitation from solution at normal surface temperatures. Sedimentary rocks can be formed only where sediments are… …
7silicate rock — Rock containing silica in predominant proportions [16] …
8Punk rock — This article is about the music genre. For the play of the same name, see Punk Rock (play). Punk rock Stylistic origins Rock and roll • folk • rockabilly • ska • surf rock • garage rock • …
9Hard rock — Infobox Music genre name=Hard rock bgcolor=crimson color=white stylistic origins=Blues rock Garage rock Psychedelic rock Rock and roll cultural origins=Mid 1960s, United Kingdom and United States instruments=Electric guitar Bass guitar Vocals… …
10Fort Rock — Infobox Mountain Name= Fort Rock Photo=Fortrock.jpg Caption= Aerial view of Fort Rock from the northeast. Elevation= Convert|4695|ft|m|0|abbr=on Location=Oregon, USA Range=Basin and Range Prominence = Convert|345|ft|m|0|abbr=on Coordinates =… …
