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Ferroan anorthosite (FAN) is a pristine coarse-grained igneous rock found in the lunar highlands.FANs have a Ca-rich plagioclase (called anorthite) composition greater than 90 wt%, [1] with many consisting of an anorthite-content of 99 wt%. [2]
The latter is composed primarily of highland plateau material, perhaps debris from large impact events—specifically the impact that formed Mare Nectaris. [2] North Ray and South Ray craters, the former sampled directly by the Apollo 16 crew, revealed a layering sequence, possibly an overlap of the Cayley and Descartes formations.
The Procellarum KREEP Terrane, or PKT, is a large province on the near side of the Moon that has high abundances of KREEP.KREEP is an acronym built from the letters K (the atomic symbol for potassium), REE (rare-earth elements) and P (for phosphorus), [3] and is a geochemical component of some lunar impact breccia and basaltic rocks.
c. 1990 — The Clementine topographic data use 1,737,400 meters as the baseline, and show a range of about 18,100 meters from lowest to highest point on the Moon. This is not a list of the highest places on the Moon, meaning those farthest from the CoM. Rather, it is a list of peaks at various heights relative to the relevant datum.
Geological studies of the Moon are based on a combination of Earth-based telescope observations, measurements from orbiting spacecraft, lunar samples, and geophysical data. . Six locations were sampled directly during the crewed Apollo program landings from 1969 to 1972, which returned 382 kilograms (842 lb) of lunar rock and lunar soil to Earth [8] In addition, three robotic Soviet Luna ...
Ben Bussey and Paul Spudis, The Clementine Atlas of the Moon, Cambridge University Press, 2004, ISBN 0-521-81528-2. Antonín Rükl, Atlas of the Moon, Kalmbach Books, 1990, ISBN 0-913135-17-8. Ewen A. Whitaker, Mapping and Naming the Moon, Cambridge University Press, 1999, ISBN 0-521-62248-4.
The Fra Mauro formation (or Fra Mauro Highlands) is a formation on the near side of Earth's Moon that served as the landing site for the American Apollo 14 mission in 1971. It is named after the 80-kilometer-diameter crater Fra Mauro , located within it.
In July 2013, private company Moon Express released details of a mission they were planning for no earlier than 2018. The mission would land two telescopes on the Moon, with the preferred location of Malapert crater, to take advantage of the benefits previously identified by lunar researchers Burton Sharpe and David Schrunk. [ 3 ]