Disagree QUESTION 8 hich kind of material would be considered an \"active strain

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Disagree QUESTION 8 hich kind of material would be considered an "active strain marker O An originally spherical sand nodule in a bed of clay that deforms at the same rate as the clay, letting you see how much deformation took place o An irregular shaped void space that has filled with fluid and then deforms along with the surrounding rock O A hematite nodule in a shale layer that retains it's original shape even when the shale is folded into an anticline QUESTION 9 A LOOK AT INITIALLY SPHERICAL OBJECTS If our markers are originally spherical, we can easily

Explanation / Answer

1. Answer is Option 1, An originally spherical sand nodule in a abed of clay that deforms at the same rate as the clay, letting you see how much deformation takes place

Active starin markers are the objects that reveals the state of strain in a rock. An originally spherical sand nodule will be elongated after the deformation. The speherical nodules will flatten due to strain thereby acting as active starin markers giving information about the strain suffered by the rock.

2. Answer is Option 2, Strain may have occured, the hard crystals moved to line up, while the softer rock deformed around them.

Due to strain suffered by the rock, tebhard crystals will be lined up along a line. At the same time the softer rock will get deformed around them.

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