Quartz
- Second most abundant mineral
- Made up of silicon-oxygen tetrahedra
- Many different varieties
Granite
- Granular igneous rock
- Consists mostly of quartz, mica, and feldspar
- Color can range from pink to gray
Limestone
- Sedimentary rock composed of the minerals calcite and aragonite
- Many composed of skeletal fragments of marine organisms
- Make up about 10% of total volume of all sedimentary rocks
Schist
- Medium-grade metamorphic rock
- Individual mineral grain split into flakes or slabs easily
- Most derived from clay and mud
Cruz Plaza Concerns
- While under construction, they must make sure the dirt and gravel does not wash away during a rainstorm
- While digging, they must be aware of water lines,gas lines, electrical lines, along with any underground roots to make sure equipment don't get messed up and the workers and surrounding people are safe
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