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I teach in a college located in the southern end of the San Joaquin Valley of California.We are very aware that we live in a place where a serious earthquake can occur and every October the college participates in the Great Shake Out.Regolith breccias with similar protoliths are also common.
More than 300 lunar meteorites have been collected on Earth, Some were discovered by scientific teams searching for meteorites in Antarctica, such as ANSMET, with most of the remainder discovered by collectors in the desert regions of northern Africa and Oman.
The Apollo moon rocks were collected using a variety of tools, including hammers, rakes, scoops, tongs, and core tubes.
Most were photographed prior to collection to record the condition in which they were found.
This reflects the extreme depletion of the bulk moon in alkalis (Na, K) as well as water and other volatile elements.
In contrast, the mafic minerals in this suite have low Mg/Fe ratios that are inconsistent with calcic plagioclase compositions.