Alemania

ERICKSEN, G.E., 1981, GEOLOGY AND ORIGIN OF THE CHILEAN NITRATE DEPOSITS: U.S. GEOLOGICAL SURVEY PROFESSIONAL PAPER 1188, 37P.ERICKSEN, G.E., AND MROSE, M.E., 1970, MINERALOGICAL STUDIES OF THE NITRATE DEPOSITS OF CHILE, II. DARAPSKITE: NA3(NO3)(SO4).H2O: AMERICAN MINERALOGIST, V. 55, P. 1500-1517.MROSE, M.E., FAHEY, J.J., AND ERICKSEN, G.E., 1970, MINERALOGICAL STUDIES OF THE NITRATE DEPOSITS OF CHILE, III. HUMBERSTONITE, K3NA7MG2(SO4)6(NO3)2.6H2O, A NEW SALINE MINERAL: AMERICAN MINERALOGIST, V. 55, P. 1518-1533.CIMRI