sand mining

required)存档于2013-10-21）.  The messy business of sand mining explained. [21 February 2021]. （原始内容存档于2021-03-05）.  Battle lines in the sand. The Sydney Morning Herald. 2

Polar Sand Seas of Mars. J. Geophys. Res., 95(B7), p. 10,924. Tsoar, H.; Greeley, R.; Peterfreund, A.R. (1979). Mars: The Northern Polar Sand Sea and

Mhlatuze River, South Africa may have been influenced by nearby sand mining（英语：sand mining） activities or, more likely, high flows and mobile sediments,

soft-rock mining）或是露天開採（英语：Surfac mining）法。有幾種開採技術，但共同目標是把油頁岩礦石破碎，而後運送到發電廠或是乾餾廠。最常見的露天開採方式有露天採礦（英语：open-pit mining）和礦層採礦（英语：strip mining

Cornwall gefundenen magnetischen Sand" (Observations and experiments regarding menaccanite [i.e., ilmenite], a magnetic sand found in Cornwall), Chemische