DATING THE LOWER CRUST BY ION MICROPROBE

[11] Griffin W.L., 1986, GEOL SOC LOND SPEC P, V24, P363

[12] HALLIDAY AN, 1984, T ROY SOC EDIN-EARTH, V75, P71

[13] AGE OF MINERAL EQUILIBRIA IN GRANULITE FACIES NODULES FROM KIMBERLITES [J]. NATURE, 1981, 291 (5811) : 147 - 148

[14] THE NATURE OF THE LOWER CONTINENTAL-CRUST - INFERENCES FROM GEOPHYSICS, SURFACE GEOLOGY, AND CRUSTAL XENOLITHS [J]. REVIEWS OF GEOPHYSICS, 1981, 19 (02) : 271 - 297

[15] Kay S., 1983, AM J SCI, V283, P486

[16] KIMBERLITIC ZIRCONS - POSSIBLE AID IN PROSPECTING FOR KIMBERLITES [J]. MINERALIUM DEPOSITA, 1975, 10 (01) : 47 - 56

[17] Krogh T. E, 1975, CARNEGIE I WASHINGTO, V74, P619

[18] STATISTICAL ASSESSMENT OF RB-SR ISOCHRONS [J]. JOURNAL OF GEOPHYSICAL RESEARCH, 1966, 71 (22): : 5459 - +

[19] OVERSBY BS, 1980, GEOLOGY GEOPHYSICS N, P247

[20] PERKINS D, 1981, NATURE, V299, P409

[11] Griffin W.L., 1986, GEOL SOC LOND SPEC P, V24, P363

[12] HALLIDAY AN, 1984, T ROY SOC EDIN-EARTH, V75, P71

[13] AGE OF MINERAL EQUILIBRIA IN GRANULITE FACIES NODULES FROM KIMBERLITES [J]. NATURE, 1981, 291 (5811) : 147 - 148

[14] THE NATURE OF THE LOWER CONTINENTAL-CRUST - INFERENCES FROM GEOPHYSICS, SURFACE GEOLOGY, AND CRUSTAL XENOLITHS [J]. REVIEWS OF GEOPHYSICS, 1981, 19 (02) : 271 - 297

[15] Kay S., 1983, AM J SCI, V283, P486

[16] KIMBERLITIC ZIRCONS - POSSIBLE AID IN PROSPECTING FOR KIMBERLITES [J]. MINERALIUM DEPOSITA, 1975, 10 (01) : 47 - 56

[17] Krogh T. E, 1975, CARNEGIE I WASHINGTO, V74, P619

[18] STATISTICAL ASSESSMENT OF RB-SR ISOCHRONS [J]. JOURNAL OF GEOPHYSICAL RESEARCH, 1966, 71 (22): : 5459 - +

[19] OVERSBY BS, 1980, GEOLOGY GEOPHYSICS N, P247

[20] PERKINS D, 1981, NATURE, V299, P409