Below you will find two geologic cross-sections for an Oregon and Arizona locati

Question

Below you will find two geologic cross-sections for an Oregon and Arizona location. These are side-views, which show both the topography and the geology (see the key to interpret the symbols for the rock types). For each diagram, choose one of the five potential sites on which you might choose to build a home. Address which sites you would choose and why. Give at least two reasons for each site. (300 words max)

Oregon Cross-Section 5 3 2 Stream treamES 10 Arizona Cross-Section New Roadcut 6 9 8 Jointed Mudstone EHLimestone-Thick Clay Layer SandstoneConglomerate Loose Sand Spring

Explanation / Answer

Oregon cross section- Location 1

This location is appropriate for constructing homes. It is a plane area and so erosion is very low compared to steep slope area. Also this location contains mudstones, mudstones are very hard and it is used to build homes.

Arizona cross section- Location 6

This location is good to consruct buildings. It is a plane area and so erosion is very low compared to other places. Moreover it is a mudstone area, mudstones are very hard rocks to construct buildings.

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