ISOTOPIC AGES FROM SOUTHWESTERN MONTANA

[1] ALDRICH LT, 1958, T AM GEOPHYS UNION, V39, P1124

[2] BASSETT WA, 1963, GEOL SOC AM BULL, V74, P209

[3] THE FLAME PHOTOMETRIC DETERMINATION OF POTASSIUM IN GEOLOGICAL MATERIALS USED FOR POTASSIUM ARGON DATING [J]. GEOCHIMICA ET COSMOCHIMICA ACTA, 1963, 27 (MAY) : 525 - 546

[4] GAST PW, 1958, T AM GEOPHYS UNION, V39, P322

[5] Giletti B.J., 1961, Q J GEOL SOC LOND, V117, P233, DOI DOI 10.1144/GSJGS.117.1.0233

[6] ABSOLUTE AGE OF PRE-CAMBRIAN ROCKS IN WYOMING AND MONTANA [J]. ANNALS OF THE NEW YORK ACADEMY OF SCIENCES, 1961, 91 (02) : 454 - &

[7] GLAUCONITE FROM PRECAMBRIAN BELT SERIES, MONTANA [J]. SCIENCE, 1963, 140 (356) : 390 - &

[8] A40-K40 DATING OF IGNEOUS AND METAMORPHIC ROCKS IN WESTERN MONTANA [J]. JOURNAL OF GEOLOGY, 1960, 68 (01) : 94 - 97

[9] Heinrich E.W., 1960, MONTANA BUREAU MINES, V38, P15

[10] HEINRICH EW, 1960, MONTANA BUREAU MINES, V38, P1

[1] ALDRICH LT, 1958, T AM GEOPHYS UNION, V39, P1124

[2] BASSETT WA, 1963, GEOL SOC AM BULL, V74, P209

[3] THE FLAME PHOTOMETRIC DETERMINATION OF POTASSIUM IN GEOLOGICAL MATERIALS USED FOR POTASSIUM ARGON DATING [J]. GEOCHIMICA ET COSMOCHIMICA ACTA, 1963, 27 (MAY) : 525 - 546

[4] GAST PW, 1958, T AM GEOPHYS UNION, V39, P322

[5] Giletti B.J., 1961, Q J GEOL SOC LOND, V117, P233, DOI DOI 10.1144/GSJGS.117.1.0233

[6] ABSOLUTE AGE OF PRE-CAMBRIAN ROCKS IN WYOMING AND MONTANA [J]. ANNALS OF THE NEW YORK ACADEMY OF SCIENCES, 1961, 91 (02) : 454 - &

[7] GLAUCONITE FROM PRECAMBRIAN BELT SERIES, MONTANA [J]. SCIENCE, 1963, 140 (356) : 390 - &

[8] A40-K40 DATING OF IGNEOUS AND METAMORPHIC ROCKS IN WESTERN MONTANA [J]. JOURNAL OF GEOLOGY, 1960, 68 (01) : 94 - 97

[9] Heinrich E.W., 1960, MONTANA BUREAU MINES, V38, P15

[10] HEINRICH EW, 1960, MONTANA BUREAU MINES, V38, P1