original: in geology , when an igneous intrusion cuts across a formation of sedimentary rock , it can be determined that the igneous intrusion is younger than the sedimentary rock .
simplifications: in geology , when an igneous intrusion cuts across a formation of sedimentary rock , it can be determined that the igneous intrusion is younger than the sedimentary rock . in geology , when an ingeneous intrusion cuts across a formation of sedimentary rock , it can be known that the igneous intrusion is younger than the sedimentary rock . in geology , when an igneous intrusion cuts across a formation of sedimentary rock , it can be shown that the igneous intrusion is younger than the sedimentary rock . in geology , when an igneous intrusion cuts across a formation of sedimentary rock , it determines that the igneous intrusion is younger than the sedimentary rock . in geology , when a cut across a formation of sedimentary rock , it can be determined that the cut is younger than the sedimentary rock . 1 . in geology , when an igneous intrusion cuts across a formation of sedimentary rock , it can be determined that the igneous intrusion is younger than the sedimentary rock . in geology , when an igneous intrusion cuts across a formation of sedimentary rock , it can be found out that the igneous intrusion is younger than the sedimentary rock . in geology , when an igneous invasion cuts across a formation of coming from material that sinks in liquid rock , it can be decided or figured out that the igneous invasion is younger than the coming from material that sinks in liquid rock .