Kalahari valley calcretes: their nature, origins, and environmental significance

Earth & Environmental Sciences

• calcrete 100%
• valley 51%
• micromorphology 11%
• groundwater 11%
• micrite 6%
• geological record 5%
• petrology 4%
• thin section 4%
• tributary 4%
• coating 3%
• evaporation 3%
• cement (construction material) 3%
• Holocene 3%
• electron 3%
• carbonate 3%
• sand 2%
• matrix 2%
• comparison 1%
• rate 1%