Transcurrent Faulting and Thermal Wave-Amazon Area Potential

Fabiano Sayao Lobato

An important feature of the Amazon Area is its association of transcurrent faults with a thermal pulse caused by magma injection. The transcurrent faults and the connected succession of Reidell conjugates caused widespread fracturing along near vertical surfaces. Each transcurrent fault has two near vertical Reidell conjugates. Thus a series of faults amount to a geometric progression and corresponding fracturing. All of these faults are clearly indicated and aligned, on the first order on the Precambrian, on both sides of the sedimentary section, and can be traced through the sedimentary section. By horizontal drilling and fracturing, the porosity and permeability can be extended in great concentration, which would improve the potential of the area.

AAPG Search and Discovery Article #90185 © AAPG Geoscience Technology Workshop, Revisiting Reservoir Quality Issues in Unconventional and Conventional Resources, Austin, Texas, November 12-13, 2013