THE COMPOSITION AND HISTORY OF BRECCIA 67015 FROM NORTH RAY CRATER
Marvin, URSULA B., Lindstrom, MARILYN M., Bernatowicz, T. J., , Sugiura, NAOJI(1987). THE COMPOSITION AND HISTORY OF BRECCIA 67015 FROM NORTH RAY CRATER. JOURNAL OF GEOPHYSICAL RESEARCH: SOLID EARTH, 92(B4), E471-E490. https://doi.org/10.1029/JB092iB04p0E471
Datasets
| number | title | Methods | variables analyzed | ||
|---|---|---|---|---|---|
| 1 | 67015: COMPOSITIONS OF CRYSTALLINE AND MELT ROCK CLASTS MEASURED BY INAA | INAA | Th, Sm, Tb, Ce, Lu, MgO, Co, Hf, Eu, La, Ba, CaO, FeO, Ni, Sr, Yb, Al2O3, Cr2O3, Na2O, Sc, Ta, Ir, Cs, Nd, U, V, MnO, TiO2, Zr, Au, Rb | ||
| 3 | AR EXPOSURE AND GAS RETENTION AGES | CALC, AR_AR | AGE | ||
Methods
| method name | laboratory | method comment | More details are available for the following variables | |
|---|---|---|---|---|
| AR40_AR39 AGE DETERMINATION | UNKNOWN | Plateau age | ||
| CALCULATED | UNKNOWN | based on amount of spallogenic 38Ar, assuming production rate of 1.12x 10-8 cm3STP 38ArMa-1 gCa-1 | ||
| INSTRUMENTAL NEUTRON ACTIVATION ANALYSIS | UNIVERSITY OF MISSOURI-COLUMBIA | N/A |
