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Geography, 04.10.2019 20:00 3345

He map below shows the ages of seafloor basalt (the actual floor of the ocean, beneath the modern mud and sand) between north america and africa. 1. draw a red line on the map to show the exact location of the divergent plate boundary between the north american plate and the african and eurasian plates. refer to figure 2.5 for assistance as needed. 2. draw two blue lines on the map to show the exact position of two different transform fault plate boundaries. refer to figure 2.2 for assistance as needed. holocene & pliocene miocene, oligocene, eocene, & north spain late 100 lower 145 africa jurassic kilometers 0 500 1000 1500 2000 b. notice that points b and c were together 145 million years ago, but did the sea floor spread apart at exactly the same rate on both sides of the mid-ocean ridge? how can you tell? c. how far apart are points b and c today, in kilometers? 1. calculate the average rate, in km per million years, that points b and c have moved apart over the past 145 million years. show your 2. convert your answer above from km per million years to mm per year d. reflect& discuss based on your answer in c1 above, how many millions of geologic period of time were africa and north america part of the same continent? show years ago and in what your work.

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He map below shows the ages of seafloor basalt (the actual floor of the ocean, beneath the modern mu...

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