1970
DOI: 10.1029/rs005i002p00129
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Physical Characteristics of the Lunar Regolith Determined From Surveyor Television Observations

Abstract: The new data on the physical characteristics of the lunar surface derived from the Surveyor pictures can be fitted to a simple ballistic model for the origin and development of the lunar regolith. At a given locality, the size-frequency distributions of craters on the lunar surface can be represented by two functions' Small craters follow a steady-state distribution of the form F --,I,c •, where F is the cumulative number of craters with a diameter >_c, c is the diameter of the craters, ,I, and • have the stea… Show more

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Cited by 29 publications
(13 citation statements)
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“…One factor not considered by our analysis is the simplifying assumption that the lunar surface is composed of a uniform layer of small regolith fragments over coherent bedrock. The true regolith consists of particles of various, poorly sorted grain sizes [ Shoemaker and Morris , 1970]. Furthermore, the regolith itself is somewhat variable in thickness in local areas because of the stochastic nature of the impact process [ Shoemaker and Morris , 1970].…”
Section: Discussionmentioning
confidence: 99%
“…One factor not considered by our analysis is the simplifying assumption that the lunar surface is composed of a uniform layer of small regolith fragments over coherent bedrock. The true regolith consists of particles of various, poorly sorted grain sizes [ Shoemaker and Morris , 1970]. Furthermore, the regolith itself is somewhat variable in thickness in local areas because of the stochastic nature of the impact process [ Shoemaker and Morris , 1970].…”
Section: Discussionmentioning
confidence: 99%
“…The thickness of the regolith on the lunar maria is on the order of 4-5 m, while in the lunar highlands it is estimated to be in the 10-15-m, range (Shoemaker and Morris 1970). Such a layer formed from the extrusion of liquid is probably only several meters thick with void scatterers occupying only the upper portions where boiling was most vigorous, unless the erupting water is substantially warmer than the freezing point.…”
Section: Scattering Layer Propertiesmentioning
confidence: 98%
“…Heiken et al, 1991]. In addition, we will follow the distinction made by Shoemaker and Morris [1970] between regolith and a fragmental geologic unit, such as an ejecta blanket, in which the regolith is a strictly surficial layer of debris whose thickness and other characteristics are a function of surface processes and exposure time. Hence, a new ejecta deposit consisting of fragmented bedrock has no regolith, although the process of regolith development begins almost immediately.…”
Section: Introductionmentioning
confidence: 99%