Lichens- 33 4832 60 N 34 0813 70 W

a primary community that contributes to chemical weathering

Gneiss- 33 4839 60 N 084 0881 20 W

Gneiss is a metamorphic rock that is generally made up of bands that differ in color and composition, some bands being rich in feldspar and quartz, others rich in hornblende or mica.

Dike- 33 4824 60 N 084 0821 20 W

Pluton that cuts across preexisting rocks and often forms when magma evades cracks in surrounding rock bodies

Physical Weathering- 33 4822 90 N 084 0822 10 W

The disintegration of earth material without undergoing a chemical change. Physical weathering results in increased surface area for chemical reactions to occur on.

Chemical Weathering- 33 4826 60 N 084 0823 40 W

Process in which rocks undergo changes in their compisition due to chemical reactions with agents such as acids water oxygen and carbon dioxide.

Exfoliation- 33 4822 10 N 084 0820 20 W

layers of rock being seperated

Quartz- 33 4823 60 N 084 0818 30 W

A very hard mineral composed of silica and SiO2.