In the Search tab, type in Noctis Labyrinthus and zoom to ∼300 miles. Think about the drainage p

step 1 Where do we usually find fossils? Is it A in basal, B in limestone, C in slate, D in granite, or

In the Search tab, type in Noctis Labyrinthus and zoom to...

In the Search tab, type in Noctis Labyrinthus and zoom to $\sim 300$ miles. Think about the drainage pattern you selected in the previous answer - what does this tell you about the underlying rocks? a. the rocks are probably fractured b. the rocks are uniformly resistant c. the rocks are part of a topographic high, like a mountain d. the rocks are alternately resistant and non-resistant

In the Search tab, type in Noctis Labyrinthus and zoom to $\sim 300$ miles.
Think about the drainage pattern you selected in the previous answer - what does this tell you about the underlying rocks?
a. the rocks are probably fractured
b. the rocks are uniformly resistant
c. the rocks are part of a topographic high, like a mountain
d. the rocks are alternately resistant and non-resistant

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Key Concepts

Differential Erosion

Differential erosion refers to the process by which rocks of varying hardness and resistance to weathering are eroded at different rates. When rocks are alternately resistant and non-resistant, erosion creates distinct patterns where less resistant rocks are worn away faster, leading to the development of intricate drainage patterns that reveal the variability in the rock composition.

Structural Geology

This concept focuses on the physical features of rocks, such as fractures, faults, and folds, which control how water interacts with the surface. Structural geology is essential for understanding how the inherent properties of rocks, including variations in strength and presence of weaknesses, dictate the manner in which drainage channels develop and evolve.

Drainage Pattern Analysis

This concept involves studying the layout and structure of drainage networks to infer the characteristics of the underlying geology. By analyzing how water flows over a surface, one can deduce whether the substrates are uniformly resistant, fractured, or have alternating levels of resistance, which in turn affects the formation of valleys, ridges, and other landforms.

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