The apollo 15 lunar samples: A preliminary description
Science
By: P.W. Gast, W.C. Phinney, M.B. Duke, L. T. Silver, N.J. Hubbard, G.H. Heiken, P. Butler, D.S. McKay, J.L. Warner, D.A. Morrison, F. Horz, J. Head, G.E. Lofgren, W.I. Ridley, A.M. Reid, H. Wilshire, J.F. Lindsay, W.D. Carrier, P. Jakes, M.N. Bass, P.R. Brett, E.D. Jackson, J.M. Rhodes, B.M. Bansal, J.E. Wainwright, K.A. Parker, K.V. Rodgers, J.E. Keith, R.S. Clark, E. Schonfeld, L. Bennett, Martha M. Robbins, W. Portenier, D.D. Bogard, W.R. Hart, W.C. Hirsch, R.B. Wilkin, E.K. Gibson, C.B. Moore, and C.F. Lewis
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Abstract
Samples returned from the Apollo 15 site consist of mare basalts and breccias with a variety of premare igneous rocks. The mare basalts are from at least two different lava flows. The bulk chemical compositions and textures of these rocks confirm the previous conclusion that the lunar maria consist of a series of extrusive volcanic rocks that are rich in iron and poor in sodium. The breccias contain abundant clasts of anorthositic fragments along with clasts of basaltic rocks much richer in plagioclase than the mare basalts. These two rock types also occur as common components in soil samples from this site. The rocks and soils from both the front and mare region exhibit a variety of shock characteristics that can best be ascribed to ray material from the craters Aristillus or Autolycus.
Suggested Citation
Gast, P., Phinney, W., Duke, M., Silver, L.T., Hubbard, N., Heiken, G., Butler, P., McKay, D., Warner, J., Morrison, D., Horz, F., Head, J., Lofgren, G., Ridley, W., Reid, A., Wilshire, H., Lindsay, J., Carrier, W., Jakes, P., Bass, M., Brett, P., Jackson, E., Rhodes, J., Bansal, B., Wainwright, J., Parker, K., Rodgers, K., Keith, J., Clark, R., Schonfeld, E., Bennett, L., Robbins, M.M., Portenier, W., Bogard, D., Hart, W., Hirsch, W., Wilkin, R., Gibson, E., Moore, C., Lewis, C., 1972, The apollo 15 lunar samples: A preliminary description: Science, v. 175, no. 4020, p. 363-375.
| Publication type | Article |
|---|---|
| Publication Subtype | Journal Article |
| Title | The apollo 15 lunar samples: A preliminary description |
| Series title | Science |
| Volume | 175 |
| Issue | 4020 |
| Year Published | 1972 |
| Language | English |
| Larger Work Type | Article |
| Larger Work Subtype | Journal Article |
| Larger Work Title | Science |
| First page | 363 |
| Last page | 375 |