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Geology Dictionary

Geological Terms Beginning With "L"

For terms beginning with other letters, please click below A B C D E F G H I J K L M N O P Q R S T U V W X Y Z Labradorescence A display of spectral colors caused when light enters a material, strikes twinning or other planar surfaces within the stone and then reflects from them. Different twinning surfaces within the stone can reflect different colors of light to produce the visual effect of a stone with different color domains.
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Maps

Netherlands Map and Satellite Image

Netherlands Bordering Countries: Belgium, Germany Regional Maps: Map of Europe, World Map Where is Netherlands? Netherlands Satellite Image Netherlands Information: The Netherlands are located in western Europe. The Netherlands are bordered by the North Sea, Belgium to the north, and Germany to the east.
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Maps

Louisiana Parish Map with Parish Seat Cities

County Maps for Neighboring States: Arkansas Mississippi Texas Louisiana on a USA Wall Map Louisiana Delorme Atlas Louisiana on Google Earth The map above is a Landsat satellite image of Louisiana with Parish boundaries superimposed. We have a more detailed satellite image of Louisiana without Parish boundaries.
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Rocks

Siltstone

A clastic sedimentary rock composed of silt-size grains. Article by: Hobart M. King, Ph.D., RPG Siltstone Colors: Siltstone occurs in a wide variety of colors. It is usually gray, brown, or reddish brown. It can also be white, yellow, green, red, purple, orange, black, and other colors. The colors are a response to the composition of the grains, the composition of the cement, or stains from subsurface waters.
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Maps

Map of Massachusetts Cities and Roads

City Maps for Neighboring States: Connecticut New Hampshire New York Rhode Island Vermont Massachusetts on a USA Wall Map Massachusetts Delorme Atlas Massachusetts on Google Earth Massachusetts Cities: Cities with populations over 10,000 include: Abington, Amesbury, Amherst, Attleboro, Barnstable, Beverly, Boston, Braintree, Brockton, Brookline, Burlington, Chicopee, Danvers, Dedham, Easthampton, Fall River, Fitchburg, Framingham, Franklin, Gardner, Gloucester, Greenfield, Haverhill, Holbrook, Holyoke, Hudson, Hull, Lawrence, Leominster, Longmeadow, Lowell, Lynn, Malden, Marblehead, Marlborough, Maynard, Medford, Methuen, Milford, New Bedford, Newburyport, Newton, North Adams, Northampton, Norwood, Pittsfield, Quincy, Randolph, Salem, Somerset, Somerville, South Yarmouth, Southbridge, Springfield, Taunton, Waltham, Webster, West Springfield, Westfield, Weymouth, Wilmington and Woburn.
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Geology Dictionary

Geological Terms Beginning With "M"

For terms beginning with other letters, please click below A B C D E F G H I J K L M N O P Q R S T U V W X Y Z Maar A maar is a small, shallow volcanic crater with steep sides that forms in an explosive volcanic eruption that is triggered when rapidly ascending magma contacts groundwater at a shallow depth and a steam explosion occurs.
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