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Updated: May 16, 2025
Except in the case of limestones, recent sea deposits uplifted to form land are seldom so well cemented as are the older strata, which have long been acted upon by underground waters deep below the surface within the zone of cementation, and have been exposed to view by great erosion.
As the surface of the land is slowly lowered by weathering and running water, the zone of solution is lowered at an equal rate and encroaches constantly on the zone of cementation. The minerals of veins are therefore constantly being dissolved along their upper portions and carried down the fissures by ground water to lower levels, where they are redeposited.
Time, however, is required for such consolidation and cementation; that time is arriving fast, and the future prospects of the Cape are as cheering, as you may think, from my narrative, they have been disheartening and gloomy." "I trust in God that such will be the case," replied Alexander.
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