apter 7 pan: Virtual Fieldwork - Exploring Deformation, Igneous Rock Types, and

Question

apter 7 pan: Virtual Fieldwork - Exploring Deformation, Igneous Rock Types, and Principles of Stratigraphy in anic Crater what we know about how this outcropping was formed, we can explain a history of the order in which the parts of the outcropping were Also keep in mind the Principles of Geology . The Principle of Superposition a sedimentary rock bed on the bottom must be older than the rock bed on the top . The Principle of Onginal Horizontality sedimentary rocks were originally deposited as flat-lying, horizontal layers . The Princple of Lateral Continuity sedimentary layers, when formed, extended horizontally in all directions . The Principle of Cross-Cutting Relationships a fault or other feature must be younger than the rock and features through which Referring to the image below and the Principles of Geology, place the objects in order from oldest to the youngest Rank the four symbols that identify different parts of the outcrop on the image above from oldest to youngest. + View Available Hint(s) Reset Help oidest Youngest

Explanation / Answer

our earth is consist of many types of fundamental layers. if we estimate it layers by layers then we will find that there is a internal core which have the molten magma and lava. after that it have mantle layers which is of solid compositions and structure and then the last fundamental layers is crust on which we all are living. this crust is the surface of the planet earth and in this surface many other layers are foind in the form of mounatins cracks craters faults etc.

now if we take the case of age or the period of formations of these layers as mentioned above in the image then which will be the oldest and which will be the youngest. in this ww have a concept to understand as well as determine this. as the layer which are oldest will be found at the bottom levels and the youngest layers will be at the top most position. but to know actual time period of these layers we can use the carbon dating method. in carbon dating method we will collect the sample of the different layers and experiment on them to find the amount of the radiactive C-14 carbon isotops in them. the layer whiich have the least c-14 amount will be consider as oldest and the layer have the high c-14 amount will be youngest.

now here above by taking the same concept we have determine the ages of these layers and we have assembled them in order of oldest to youngest.

red star>> white square>> red square>>white star.

red square is the fault generated on the layer of the white square after the formation of this layer.

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