The diagram is the cross section showing about 15-17 events that have happened to this region. The individual rock units are given the common symbols that indicate the rock types
give the history of the region…. From oldest event to youngest event. Use your principles of superposition, cross cutting relations… etc. to assist you in listing the events. Types of information to include in your write up are..
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• Name of rock type and a likely environment that existed in the region at the time the rock was forming
• When the rock type formed using the relative time chart include Period & Era
• Changing environments as it might relate to uplift (regression) and/or subsidence (transgression)
• Igneous intrusions… kind of intrusion and when it occurred
• Erosional events … types of unconformities and when did they occur
• Deformation events… folding and faulting… types of stress and when did these events occur.
• Include the name for the deformational structures generated by the various stresses