5.9 Infer the Geologic History of Southeastern Pennsylvania ACTIVITY Date Namer

Question

5.9 Infer the Geologic History of Southeastern Pennsylvania ACTIVITY Date Namer Re ir u E S 15. Then study the portion ofgeologic mup of Pennsylvania bel . The green-colored areas are exposures of red colared areas are bodies of basale about 190 million years old. Paleozoic and Precambrian rocks are more than 252 million 200 320 milliom-year-old Mesxnoic sand and mad that were deposited in lskes, streams, and fields of a long, narrow valley. The yean old and colored pake brown 10 mios Palozoi rocks Pottstowne Mesozoic sedimentary Paleozok rocks Based on their geometrics (as viewed from abave, in map view), what kind of igneous bodies on the map are labeled A ries (as viewed from above, in map view), what kind of igneous bodies on the map are labeled B (more J than one answer is possible)? REFLECT &DISCUSS; If you could have secn the landscape that existed in this part of Pennsylvania about 190 million years ago twhen the bodies of igneous rock wete lava), then what else would you have seen on the landscape besides valleys. streams, lakes, and fields? Explain your reasoning.

Explanation / Answer

Based on geometry lebel a is dike

Label B is sill this two are igneous bodies

Sill is concordant igneous body

Dikee is discordant igneous body

Related Questions

Navigate

• Browse (All)
• Browse 5
• Subjects

---

---

Integrity-first tutoring: explanations and feedback only — we do not complete graded work. Learn more.