What types of rocks are there on the moon?
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Thank you Ms. Sue.
You're welcome, Tr0ller6000,
How do they compare to rocks on earth?
Read through the sites I posted.
To find out what types of rocks are present on the moon, we can refer to the available scientific data and studies conducted on lunar samples collected by astronauts during the Apollo missions. The rocks on the moon can be broadly classified into three main types:
1. Basaltic Rocks: Most of the lunar surface is covered with basaltic rocks, which are dark colored and fine-grained. These rocks predominantly contain minerals like pyroxene and plagioclase feldspar. Basaltic rocks form from solidified lava flows and volcanic activity.
2. Anorthositic Rocks: Anorthosite is a type of rock composed predominantly of a mineral called plagioclase feldspar. These rocks are usually light-colored and coarse-grained. Anorthositic rocks are believed to be among the oldest lunar rocks and are often found in the highland regions.
3. Breccia: Lunar breccias are a type of rock formed by the accumulation of fragmented rocks and impact ejecta. They are a mixture of different rock types that have been shattered and fused together due to meteorite impacts. Breccias can contain fragments of basalt, anorthosite, and other minerals.
It is important to note that the moon's surface also contains regolith, which is a layer of loose, fragmented material made up of small rock particles, dust, and soil. The composition of regolith can vary, depending on the location on the moon.
The classification and understanding of lunar rocks have been primarily derived from the analysis of samples brought back from the moon by astronauts. These samples have been studied extensively to gather valuable insights into the moon's geology and its history.