Fissure

Science / Geology / Fissure: An extensive crack, break, or fracture in the rocks.

Fissure Vein

Science / Geology / Fissure Vein: A cleft or crack in the rock material of the earth's crust, filled with mineral matter different from the walls and precipitated therin from aqueous solution. MORE

Virginia Pine

Life Style / Christmas Trees / Virginia Pine: The Virginia pine's needles occur in pairs. They are twisted and range from 1.5 to 3" in length. They are relatively short when compared to those of other pines. Loblolly needles, by comparison, are f MORE

Eastern White Pine

Life Style / Christmas Trees / Eastern White Pine: Beginning with the British colonists, eastern white pine (or white pine) has proven to be one of the most important and most desirable species of North America. It is a truly magnificent tree attainin MORE

Aa

Science / Geology / Aa: A blocky and fragmented form of lava occurring in flows with fissured and angular surfaces. MORE

Plateau Basalt

Science / Geology / Plateau Basalt: A sequence of parallel to subparallel basalt flows that were formed during a geologically brief interval of time and which covered an extensive geographic area. Thought to have formed from simultaneou MORE

Flood Basalt

Science / Geology / Flood Basalt: A sequence of parallel to subparallel basalt flows that were formed during a geologically brief interval of time and which covered an extensive geographic area. Thought to have formed from simultaneou MORE

Links
Home
Glossary
Thesaurus