African Plate

“A major tectonic division of the earth’s crust, comprising the African continent as well as adjacent ocean basins (the Canary, Cape Verde, Angola, Cape Agulhas, Somali, Madagascar, and Natal Basins), and bounded on the north by the Eurasian and Arabian Plates, on the east by mid-ocean ridges (the Southwest Indian, Mid-Indian, and Carlsberg Ridges), on the south by the Antarctic Plate, and on the west by the Mid-Atlantic Ridge.” []


“Any geological formation containing or conducting ground water, especially one that supplies the water forwells, springs, etc.” []

Berg Water Project

“The Berg water project was undertaken to augment the water supply of the Western Cape region of South Africa, and specifically that of the Greater Cape Town metropolitan area.  It was the largest water supply scheme to be completed by the Water and Sanitation Department, City Of Cape Town.” []

Brick Clay

“Clay suitable for, or used in making, bricks. The common clay, containing some iron, and therefore turning red when burned.” []


“A fracture in the continuity of a rock formation caused by a shifting or dislodging of the earth’s crust, in which adjacent surfaces are displaced relative to one another and parallel to the plane of fracture. Also called shift.” []


“A very hard natural igneous rock formation of visibly crystalline texture formed essentially of quartz and orthoclase or microcline and used especially for building and for monuments.” []

Renewable Energy

“Any naturally occurring, theoretically inexhaustible source of energy, as biomass, solar, wind, tidal, wave,and hydroelectric power, that is not derived from fossil or nuclear fuel.” []


“Sandstone is a clastic sedimentary rock made up mainly of sand-size (1/16 to 2 millimeter diameter) weathering debris. Environments where large amounts of sand can accumulate include beaches, deserts, flood plains and deltas.” []


“A fine-grained metamorphic rock that splits into thin, smooth-surfaced layers.” []

Spring Water

“Underground water that is held in the soil and in pervious rocks.” []


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