RB-SR AND U-PB DATING OF BENTONITES

[1] ARCHIBALD JD, 1982, GEOLOGY, V10, P153, DOI 10.1130/0091-7613(1982)10<153:UCBAMH>2.0.CO

[2] 2

[3] A RB-SR AGE FOR THE CRETACEOUS-TERTIARY BOUNDARY (Z-COAL), HELL-CREEK, MONTANA [J]. CANADIAN JOURNAL OF EARTH SCIENCES, 1980, 17 (05) : 671 - 673

[4] THE U-TH-PB SYSTEMATICS OF ZIRCONS FROM THE TYPE NUK GNEISSES, GODTHABSFJORD, WEST GREENLAND [J]. GEOCHIMICA ET COSMOCHIMICA ACTA, 1981, 45 (07) : 1099 - 1109

[5] BROWN B, 1907, AM MUSEUM NATURAL HI, V23, P838

[6] BYSTROMASKLUND AM, 1961, GEOL FOREN STOCKHOLM, V83, P92

[7] THE EFFECT OF NATURAL WEATHERING ON THE CHEMICAL AND ISOTOPIC COMPOSITIONS OF BIOTITES [J]. GEOCHIMICA ET COSMOCHIMICA ACTA, 1982, 46 (10) : 1755 - 1762

[8] Collier A. J., 1939, US GEOLOGICAL SURVEY, V905

[9] DELACRUZ N, 1967, THESIS U ALBERTA EDM

[10] Folinsbee R. E., 1965, 15TH ANN FIELD C G 1, P162

[1] ARCHIBALD JD, 1982, GEOLOGY, V10, P153, DOI 10.1130/0091-7613(1982)10<153:UCBAMH>2.0.CO

[2] 2

[3] A RB-SR AGE FOR THE CRETACEOUS-TERTIARY BOUNDARY (Z-COAL), HELL-CREEK, MONTANA [J]. CANADIAN JOURNAL OF EARTH SCIENCES, 1980, 17 (05) : 671 - 673

[4] THE U-TH-PB SYSTEMATICS OF ZIRCONS FROM THE TYPE NUK GNEISSES, GODTHABSFJORD, WEST GREENLAND [J]. GEOCHIMICA ET COSMOCHIMICA ACTA, 1981, 45 (07) : 1099 - 1109

[5] BROWN B, 1907, AM MUSEUM NATURAL HI, V23, P838

[6] BYSTROMASKLUND AM, 1961, GEOL FOREN STOCKHOLM, V83, P92

[7] THE EFFECT OF NATURAL WEATHERING ON THE CHEMICAL AND ISOTOPIC COMPOSITIONS OF BIOTITES [J]. GEOCHIMICA ET COSMOCHIMICA ACTA, 1982, 46 (10) : 1755 - 1762

[8] Collier A. J., 1939, US GEOLOGICAL SURVEY, V905

[9] DELACRUZ N, 1967, THESIS U ALBERTA EDM

[10] Folinsbee R. E., 1965, 15TH ANN FIELD C G 1, P162