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Cross-cutting relationships can be used to determine the relative ages of rock strata and other structures. Explanations: A – folded rock strata cut by a thrust fault; B – large intrusion (cutting through A); C – erosional angular unconformity (cutting off A & B) on which rock strata were deposited; D – volcanic dike (cutting through A, B & C); E – even younger rock strata (overlying ...
The principle of cross-cutting relationships pertains to the formation of faults and the age of the sequences through which they cut. Faults are younger than the rocks they cut; accordingly, if a fault is found that penetrates some formations but not those on top of it, then the formations that were cut are older than the fault, and the ones ...
By cross-cutting relationships, the plains embay the wrinkle ridges containing regional plains, which suggested that lobate plains are younger. [13] However, as the lobate plains, smooth plains, shield cluster and rift zones are often seen as small fractures, it is difficult to tell their time relationship.
English: Diagram illustrating cross-cutting relations in geology. These relations can be used to give structures a relative age. Explanations: A - folded rock strata cut by a thrust fault; B - large intrusion (cutting through A); C - erosional angular unconformity (cutting off A & B) on which rock strata were deposited; D - volcanic dyke (cutting through A, B & C); E - even younger rock strata ...
Cross-cutting relationships between contacts and formations can be used to determine the geological history of an area. Events are in order, from oldest to youngest, A to F. Identifying and understanding the relationship between contacts is important in determining relative ages of rocks and formations. [ 6 ]
Principle of cross-cutting relationships – Principle that the geologic feature which cuts another is the younger of the two; Law of included fragments – Clasts in a rock are older than the rock formation; Principle of uniformitarianism – Assumption that the natural laws and processes of the universe are constant through time and space
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Cross-cutting relationships: cross-cutting relationships is a principle of geology that states that the geologic feature which cuts another is the younger of the two features. It is a relative dating technique used commonly by geologists.