(outcrop)
41Spirit rover timeline for 2005 April — This article describes part of the mission timeline of the NASA Mars Exploration Rover Spirit . Mars Exploration Rover Mission timelines* Spirit rover timeline ** Spirit rover timeline for 2005 March ** Spirit rover timeline for 2005 May*… …
42Acasta Gneiss — The Acasta Gneiss is a rock outcrop of Archaean tonalite gneiss in the Slave craton in Northwest Territories, Canada. It was found in 1989 and was named for the nearby Acasta River east of Great Slave Lake, some 350 km north of Yellowknife. cite… …
43coal mining — Coal was very important in the economic development of Britain. It was used as fuel in the factories built during the Industrial Revolution and continued to be important until the 1980s. The main coalfields are in north east England, the north… …
44Onondaga Formation — For other uses, see Onondaga (disambiguation). Location of the Onondaga limestone outcrop in New York State, USA and Ontario, Canada. The Onondaga Formation is a group of hard limestones and dolostones of Devonian age that form an important… …
45outcropping — noun the part of a rock formation that appears above the surface of the surrounding land • Syn: ↑outcrop, ↑rock outcrop • Derivationally related forms: ↑outcrop, ↑outcrop (for: ↑outcrop) …
46Eagle (crater) — MarsGeo Crater name=Eagle Crater region=Meridiani Planum latitude = 1.94 N or S = S longitude = 354.47 E or W = E diameter=Approx. 30 m depth=Approx. 5 m discoverer=Opportunity rover eponym=See list belowEagle Crater is the small impact crater in …
47Goat Rock Beach — [ Russian River at the Pacific Ocean.] Goat Rock Beach is a sand beach in northwestern Sonoma County, California, United States.This landform is a sub unit of Sonoma Coast State Beach, owned and managed by the State of California. At the northern …
48Surface mining — is a type of mining in which soil and rock overlying the mineral deposit are removed. It is the opposite of underground mining, in which the overlying rock is left in place, and the mineral removed through shafts or tunnels. Surface mining is… …
49Petroleum seep — For other uses of seep see Seep (disambiguation) Petroleum seep near the Korňa in northern Slovakia. A petroleum seep is a place where natural liquid or gaseous hydrocarbons escape to the earth s atmosphere and surface, normally under low… …
50Watts Point volcanic centre — Infobox Mountain Name= Watts Point volcanic centre Photo= Caption= Elevation= Convert|240|m|ft| 2|abbr=on Location=British Columbia, Canada Range=North Shore Mountains Prominence = Coordinates = coord|49|39|N|123|13|W|type:mountain region:CA… …
