Late Heavy Bombardent

Figure 26. Post Late Heavy Bombardment tectonism forms the first Earth Cycles.

Earth Evolution. Third stage. Post Late Heavy Bombardment Tectonism forms EARTH-CYCLES (part 9).

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Figure 26. Earth seismic tomography at 200 km depth showing relative block movements, the mid-Atlantic ridge and global subduction and uplift areas. The AusIMM webinar I did on this new … [Read More]

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Figure 20. Earth Evolution second stage, Extended Late Heavy Bombardment ELHB.

Earth Evolution Second stage, 4.47 to 3.5 Ga. Extended Late Heavy Bombardment forms upper 600 km lithosphere (part 8).

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Figure 20 above. Earth Evolution second stage, Extended Late Heavy Bombardment ELHB. My contention is that the Late Heavy Bombardment should be called the Extended Late Heavy Bombardment because there … [Read More]

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Figure 18, Earth seismic tomography enhanced from 60 - 1775 km depth.

Earth Evolution – The earliest massive bombardment forms huge ring structures (part 7).

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What do these giant ring structures look like in plan view? Are they caused by the earliest massive bombardment at 4.57 Ga? The AusIMM webinar I did on this new … [Read More]

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