Plate Tectonics: Geological Aspects

Prof. J. TARNEY


Wednesdays at 9.30 (Lecture) & Wednesdays at 11.30 (2 hr Practical or Lecture)


Program Second Semester 1998:

  Wed Lecture 9.30 - 10.30 Wed Practical/Lecture 11.30 - 1.30

Week 6

Mantle Topology & Mineralogy ([PDF] L) Mid-Ocean Ridge Processes ([PDF] L)

Week 7

Rifting and Wilson Cycle ([PDF] L) Practical: Pacific Ocean

Week 8

Extension & Sedimentary Basins ([PDF] L) Subduction and Island Arcs ([PDF] L)
Practical: Mini practical

Week 9

Active Margins & Accretion ([PDF] L) Practical: Plate model exercises (1)

Week 10

Plumes & plateaus ([PDF] L)

Collision; plate tectonics & Earth evolution

Practical: Plate model exercises (2)

 

 

Useful General References:

PRESS, F. & SIEVER, R. 1998. Understanding Earth (2nd Ed.) p.504535 + CD-rom & Internet link: www.whfreeman.com/understandingearth

KEARY, P. & VINE, F.J. 1991. Global Tectonics. Blackwell Scientific Publ., 302pp.. (2nd Edition now out)

Plate Tectonics: This works as a result of hot mantle asthenosphere ascending beneath mid-ocean ridges to form the plates. These plates then subside into the mantle again at subduction zones, pulled by the excess density of the mafic ocean crust, which transform to eclogite.