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The skeletal system comprises 206 bones and has two main parts: the axial skeleton and the appendicular skeleton. The skeletal system includes your bones, ligaments that attach bone to bone, and ...

School of Earth Sciences and Engineering, Xi’ an Shiyou University, Xi’an 710065, China Shaanxi Key Laboratory of Petroleum Accumulation Geology, Xi’ an Shiyou University, Xi’an 710065, China ...

also identified sphene, iron oxides, feldspar, and quartz as mineral inclusions ... We compare this to Schwarz and Pardieu (2009), whose diagram of Ga versus Fe showed nearly complete overlapping ...

The PIXL data show a high degree of fractional crystallization. Pyroxenes, feldspars, and olivine were once molten minerals that solidified deep within the Martian crust. Some of the most iron-rich ...