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| The diagrams are cross sections of a portion of the earth in order to show the first 65,000 year progression (approx) of Glaciers on the North American Plate during the last Glacial Period. They are obviously not to scale, and so are simply a means by which to show the dynamics of what likely had occurred. 1. The first diagram is the very beginning (the end of the interglacial period), with the N.A. Plate central and sitting atop the lava core, flanked by the edges of two adjacent Plates. 2. The second diagram shows that the glaciers have grown to the point that they are weighing down the NA Plate that responds by bowing downward, while the area immediately surrounding the glacier bulges slightly upward (what is known as “fore bulge”). The outer periphery along the far north edge of the plate is shown to have popped upward upward from its original downward curve. The weight of the glacier also caused a “teeter totter” effect on the NA Plate where it sat— gradually tipping it in a downward ward motion to soft molten core, and so the opposite side of the teeter-totter effect, meant that the opposite end of the NA Plate tipped upwards. 3. The third diagram shows near maximum glaciation. The teeter totter effect had continued and as one adjacent plate is now sub-ducting under the NA Plate, it’s pulling away from the other as it sinks deeper into the molten core. The inevitable is soon to occur… and a main cause to the sudden end of the 100,000 year Note the following present day info concerning the NA Plate at Pacific Northwest (Cascadia Zone) and also the Alaska/Aleutian Islands: the Juan de Fuca plate is subducting under the North American plate off the coast of Washington, Oregon, and British Columbia; and the Pacific plate is diving under the North American |
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UPDATE (April 12):
