How does a reef transform into a mountain? Objective The learner will: • Learn about mineral composition and identification. • Understand the rock cycle and identify some common rocks in each group. • Apply this knowledge to geology in the Guadalupe Mountains region. Background The Earth's building blocks are minerals and rocks. Minerals, of which rocks are composed, are defined by standard criteria: 1) specific chemical composition, 2) inorganic, 3) regular crystalline structure, 4) naturally occurring, and 5) solid. While it is tempting to use color to determine the type of mineral, many of Duration: 90 Minutes Additional Standards: The CCSS 6-12 applied are RST item 10 and WHST items 1, 2 and 9. The TEKS applied are in the Subchapter C (High School) for Earth and Space Science (112.36.) item c) 1, 2 and 3..