“Geoworld” Plate Tectonics Lab36.Using the magnetic anomaly patterns in the Aragorn Ocean, determine when seafloor spreading started to form the Aragorn Ocean crust (remember, spreading is notactively going on now but it was at one time).
7.At the time that active sea-floor spreading was occuring in the Aragorn Ocean, atwhat rate was new sea-floor being created? (Think: is this related to the fullspreading rate or the half spreading rate)? Show your equations and explain whereeach number came from.Rate of formation of Aragorn Ocean crust =__ mm/yB. Plate Boundaries1.There are two plate boundaries on the map. You already highlighted one of them inPart 1, A. 1. above. Highlight the other boundary also.2.Give one example of each of the following types of plate boundaries on Geoworld(Note: the boundary between two plates can vary in type from place to place).
3.How many lithospheric plates are there in all?C. Cross-SectionMake a schematic cross-section of Geoworld along A-A'. Draw it in the boxprovided at the bottom of the map on page 9. Show the entire thickness of the lithosphereand part of the asthenosphere. Label the crust, mantle lithosphere and asthenosphere.