Publications
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Preliminary geologic investigation of the Apollo 16 landing site Preliminary geologic investigation of the Apollo 16 landing site
The Apollo 16 landing site in the lunar central highlands encompassed terra plains and adjacent mountainous areas of hilly and furrowed terra. These morphologic units, representing important terrane types in the lunar highlands, had been interpreted as volcanic on most premission geologic maps. However, it became apparent during the mission that there are indeed few or no volcanic rocks...
Authors
W.R. Muehlberger, R. M. Batson, E. L. Boudette, C.M. Duke, R. E. Eggleton, D. P. Elston, A. W. England, V. L. Freeman, M. H. Hait, T.A. Hall, J.W. Head, C. A. Hodges, H. E. Holt, E.D. Jackson, J.A. Jordan, K.B. Larson, D.J. Milton, V. S. Reed, J. J. Rennilson, G. G. Schaber, J.P. Schafer, L. T. Silver, D. Stuart-Alexander, R. L. Sutton, G.A. Swann, R.L. Tyner, G. E. Ulrich, H. G. Wilshire, E.W. Wolfe, J.W. Young
Earthquakes in the oil field at Rangely, Colorado Earthquakes in the oil field at Rangely, Colorado
Seven years of seismic data recorded at the Uinta Basin Observatory were searched for earthquakes originating near an oil field at Rangely, Colorado, located 65 km ESE of the observatory. Changes in the number of earthquakes recorded per year appear to correlate with changes in the quantity of fluid injected per year. Between November 1962 and January 1970, 976 earthquakes were detected...
Authors
James F. Gibbs, John H. Healy, C. Barry Raleigh, John M. Coakley
Photogeology: Part Y: physical and geological aspects of heiligenschein measurements Photogeology: Part Y: physical and geological aspects of heiligenschein measurements
Heiligenschein is the upsurge in reflected brightness as zero-phase angle is approached. For the first time, an effort has been made to investigate the diagnostic value of the heiligenschein photometric magnitude on a statistically significant scale. This investigation was performed by using the vertical photography of the Apollo 16 metric camera. The brightness surge of reflected light...
Authors
Robert L. Wildey
Photogeology: Part X: calibration of radar data from Apollo 16 results Photogeology: Part X: calibration of radar data from Apollo 16 results
Orbital and surface photography collected during the Apollo 16 mission can be used to calibrate existing Earth-based, high-resolution radar maps of the lunar surface. The absence of any theoretical treatment of the radar backscatter from irregular rocks has prevented the assignment of radar-echo cross sections to specific size distributions of rocks. This gap will now be filled with the...
Authors
S.H. Zisk, H. J. Moore
Photogrammetry and altimetry: Part B: photogrammetry using Apollo 16 orbital photography Photogrammetry and altimetry: Part B: photogrammetry using Apollo 16 orbital photography
The Apollo 15 and 16 metric and panoramic cameras have provided photographs for accurate topographic portrayal of the lunar surface using photogrammetric methods. In turn, quantitative morphologic analyses of topographic results are invaluable aids in the interpretation of the geologic processes.
Authors
Sherman S.C. Wu, Francis J. Schafer, Raymond Jordan, Gary M. Nakata
Orbital-science investigation: Part C: photogrammetry of Apollo 15 photography Orbital-science investigation: Part C: photogrammetry of Apollo 15 photography
Mapping of large areas of the Moon by photogrammetric methods was not seriously considered until the Apollo 15 mission. In this mission, a mapping camera system and a 61-cm optical-bar high-resolution panoramic camera, as well as a laser altimeter, were used. The mapping camera system comprises a 7.6-cm metric terrain camera and a 7.6-cm stellar camera mounted in a fixed angular...
Authors
Sherman S.C. Wu, Francis J. Schafer, Raymond Jordan, Gary M. Nakata, James L. Derick
Orbital-science investigation: Part G: lineaments that are artifacts of lighting Orbital-science investigation: Part G: lineaments that are artifacts of lighting
Many Apollo 15 orbital photographs, particularly those taken at low Sun-elevation angles, reveal grid patterns of lineaments. In some circumstances, the grid pattern is present in areas where structural control seems unlikely. For example, in an oblique view (fig. 25-52), the ejecta blankets of two fresh impact craters seem to have two intersecting sets of lineaments. Because previous...
Authors
Keith A. Howard, Bradley R. Larsen
Geological, geophysical, and engineering investigations of the Loveland Basin landslide, Clear Creek County, Colorado, 1963-65 Geological, geophysical, and engineering investigations of the Loveland Basin landslide, Clear Creek County, Colorado, 1963-65
No abstract available.
Authors
Charles Sherwood Robinson, Fitzhugh T. Lee, R.W. Moore, R. D. Carroll, J. H. Scott, J.D. Post, C. S. Robinson, R.A. Bohman
The Apollo 17 landing site The Apollo 17 landing site
Dr Lucchitta describes the geology of the Apollo 17 landing site in the Taurus-Littrow region of the Moon.
Authors
Baerbel K. Lucchitta
Photogeology: Part N: ejecta blankets of large craters exemplified by King Crater Photogeology: Part N: ejecta blankets of large craters exemplified by King Crater
Details of the ejecta blankets of large, fresh craters provide insight into the mechanics of deposition and the sequence of emplacement of impact debris. King Crater is the freshest of the three large, rayed craters photographed from Apollo 16; the others are Theophilus and Langrenus Craters. King Crater is comparable in youth to Tycho Crater, and the details of its ejecta blanket help...
Authors
Keith A. Howard
Preliminary examination of lunar samples: Part A: a petrographic and chemical description of samples from the lunar highlands Preliminary examination of lunar samples: Part A: a petrographic and chemical description of samples from the lunar highlands
More than four-fifths of the surface of the Moon consists of a profoundly cratered irregular surface designated terra or highlands by analogy with the terrestrial continents. These terra regions have much higher albedos than the physiographically lower and much smoother mare regions. The difference in albedo can now be ascribed to a fundamental difference in the chemical and...
Authors
Orbital-science investigation: Part H: sketch map of the region around the candidate Littrow Apollo landing sites Orbital-science investigation: Part H: sketch map of the region around the candidate Littrow Apollo landing sites
The photograph in figure 25-59 and the corresponding map (fig. 25-60) show the geology of part of the lunar surface just east of the Littrow rilles at the eastern edge of Mare Serenitatis. The most striking feature of the region is the extremely low albedo of the area mapped as Eld in the western half of the map. The low albedo is believed to be caused by a thin layer of pyroclastic...
Authors
M. H. Carr