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what elements are found in lunar rocks?

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As a result, Fe/Mn ratios of lunar samples are rather constant in the 60-90 range. I’ve also included data for those lunar meteorites that are breccias because many to most of these rocks are composed of lithified soil. Thus, the two elements strongly correlate.The Ca/Al ratio in lunar samples varies by only a factor of 2. Seven major and minor elements in …

The most common minerals in lunar rocks are silicates (including pyroxene, olivine, and feldspar) and oxides (including ilmenite, spinel, and a mineral discovered in rocks collected by Apollo 11 astronauts and named armalcolite, a word made from the first letters of the astronauts’ surnames—Armstrong, Aldrin, and Collins). Lunar breccias are rocks produced by the smashing, melting, and mixing of the lunar surface materials by large and small meteoric impacts. The terrae consist dominantly of mafic plutonic rocks. Because of the simplicity of lunar mineralogy, lunar rocks have predictable chemical compositions. Lunar soil is composed of various types of particles including rock fragments, mono-mineralic fragments, and various kinds of glasses including agglutinate particles, volcanic and impact spherules. Regolith breccias with similar protoliths are also common.

I do it that way because Al varies over a large range in lunar samples. The large spread for some of these missions reflect the compositional variation among the various locations at which samples were collected at the site.
Nearly all the aluminum is in plagioclase and nearly all the iron and magnesium are in … Abundances of 30 elements in seven lunar rocks and soil were determined by instrumental and radiochemical activation analysis. One of these, called the Moon rocks collected during the course of lunar exploration are currently considered priceless.Naturally transported Moon rocks in the form of lunar meteorites are sold and traded among private collectors. For the lunar meteorites, each point represents a named stone, e.g., MacAlpine Hills 88105 or Northwest Africa 8046 and its pairs. As a lunar geochemist I have been approached many times by people who believe that they have a sample from the Moon. To make it simple, I’ve stuck to just soil (regolith) samples. Other compounds found in lunar soil include titanium dioxide, aluminum oxide (alumina, a gray substance that gives the Moon much of its color), iron oxide ( rust ), magnesium oxide , and calcium oxide (lime). Oxygen (41-45%) | Silicon (Si) | Aluminum (Al) | Calcium (Ca) …

For example, nearly all the Apollo 11 points represent sample 10084 (which is probably the most well characterized geologic sample ever). dark (black or gray) FINE-grained rocks, rich in iron and titanium

Common stories are (something like) “This dust was given to my late grandfather by astronaut Buzz Lightyear” or “This rock that I found in my petunia pot looks just like lunar meteorite QUE 94281 on your website.” Lately, people have been sending me reports that they have obtained of chemical analyses from labs or one of those hand-held x-ray “guns.” So, here’s what you need to know in order to interpret those reports.Below are charts I’ve made from data from dozens of literature sources and my own lab for what we geochemists call the “major elements” and “minor elements” in samples from those 6 Apollo mission and 3 Russian Luna missions that brought samples back from the Moon. Lunar breccias, formed largely by the immense basin-forming impacts, are dominantly composed of highland The main repository for the Apollo Moon rocks is the Some Moon rocks from the Apollo missions are displayed in museums, and a few allow visitors to touch them. Major Elements – In lunar rocks and soils 99% of the mass consists of the following 7 chemical elements. The lunar meteorites come from all over the Moon whereas the Apollo and Luna mission all come a small are of the nearside.In rocks of the Earth and Moon, oxygen is the most abundant chemical element, 41-45% on the Moon. Na is an element that is often good for Phosphorous in not particularly useful for distinguishing between lunar and terrestrial samples. Evidence of this process can be seen in the countless craters of various sizes which cover the Moon. Because of their rarity on Earth, and the difficulty of obtaining more, Moon rocks have been frequent targets of NASA Lunar Sample Return Container with Lunar soil on display at Sample collection case, containing collection bags for use on the surface, at the National Museum of Natural History Moon rocks fall into two main categories: those found in the lunar highlands (terrae), and those in the maria.

Broken down by element, about 43% of lunar soil is oxygen, 21% silicon, 13% iron, 8% calcium, 6% aluminum, 5% magnesium, and 4% other elements.
what elements are found in lunar rocks? 2020