Type 350653.42 N 1193847.59 W in the search bar of Google Earth. Zoom out to an eye altitude o

step 1 In which type of rock are you most likely to find a fossil? Now we have basalt, we have limeston

Type 350653.42 N 1193847.59 W in the search bar of Google...

Type $350653.42 \mathrm{~N} 1193847.59 \mathrm{~W}$ in the search bar of Google Earth. Zoom out to an eye altitude of $\sim 8$ 5ooft. What type of metamorphism is likely in this area?
a. fault zone metamorphism
b. contact metamorphism
c. regional metamorphism
d. shock metamorphism

Key Concepts

Metamorphism

Metamorphism is the process by which preexisting rocks are transformed by heat, pressure, and chemically active fluids, resulting in changes to their mineralogy and texture without the rock melting completely. It encompasses different types depending on the specific conditions and scales of the processes involved.

Regional Metamorphism

Regional metamorphism occurs over broad areas and is typically associated with large-scale tectonic events, such as mountain building and continental collisions. This type of metamorphism affects vast regions of rock under high pressures and moderately high temperatures, leading to pervasive textural and structural changes.

Contact Metamorphism

Contact metamorphism involves the alteration of rocks due to the influence of heat from an adjacent intrusive body, such as a magma chamber. It is typically localized around the margins of intrusive igneous bodies where the temperature gradients are steep, causing mineral changes in the surrounding rocks.

Fault Zone Metamorphism

Fault zone metamorphism occurs along fault lines where mechanical deformation and friction generate localized heat and pressure, often resulting in the recrystallization and deformation of rocks. This type of metamorphism is confined to the immediate vicinity of structural discontinuities where significant stress and strain are present.

Shock Metamorphism

Shock metamorphism is a type of metamorphic change that occurs due to extremely high pressure and temperature conditions generated by impacts or explosions, such as meteorite impacts. It is characterized by the formation of unique features like planar deformation structures in minerals, which are distinct from other metamorphic processes.

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