September 28

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There is a mine for silver and a place where gold is refined.  Iron is taken from the earth, and copper is smelted from ore.  Miners put an end to the darkness;  they search out the farthest recesses for ore in the blackest darkness.  Far from human dwellings they cut a shaft, in places untouched by human feet; far from other people they dangle and sway.  The earth, from which food comes, is transformed below as by fire; lapis lazuli comes from its rocks, and its dust contains nuggets of gold.  The miners’ hands assault the flinty rock and lay bare the roots of the mountains.  They tunnel through the rock; their eyes see all its treasures. They search the sources of the rivers and bring hidden things to light.

But where can wisdom be found? Where does understanding dwell? No mortal comprehends its worth; it cannot be found in the land of the living.

The deep says, “It is not in me”; the sea says, “It is not with me.”

It cannot be bought with the finest gold, nor can its price be weighed out in silver. It cannot be bought with the gold of Ophir, with precious onyx or lapis lazuli.

Where then does wisdom come from?  Where does understanding dwell? Only God understands the way to it and he alone knows where it dwells, for he views the ends of the earth and sees everything under the heavens.”

(from Job 28:1-24)


John Ray, an early biologist, writes: “There is no greater, at least no more palpable and convincing, argument of the existence of a Deity than the admirable art and wisdom that discovers itself in the make and constitution, the order and disposition, the ends and uses, of all the parts and members of this stately fabric of heaven and earth.”  That is awesome!

This week we are looking at some effects of movement of the earth’s crust. According to the theory of plate tectonics, the various plates on the earth’s surface move. The movement associated with these plates helps to account for a variety of processes that influence the surface including earthquakes and volcanoes. Notice how closely the zones of earthquake and volcanic activity are associated with crustal plate boundaries.

Remember the maps for your Labs are either online (there are links on the “Labs” page – follow the “Labs” tab) or there are paper copies in the university library. If you would like to study/work with others, you can find contacts on Crandall’s moodle site.

This week, please

  • Read Chapter 13 (text) and online notes 13 (website)
  • Make one awesome comment in the online discussion on Moodle by Saturday midnight.
  • Lab 2 is due September 29 at the Academic Office.
  • Begin Lab 3 (Labs tab below), due at the Academic Office Tuesday, October 6

Questions?  Please email me!

Dr. Bruce Martin

Instructor in Geography, Crandall University