amazonriver
By Timothy J. Killeen The mineral resources of the Pan Amazon are not randomly distributed across the region but are located on landscapes with specific geological histories. There are three conspicuous macro regions: A. The Amazon Craton is the term used to describe the complex of ancient rocks that form the heart of the continent, which was created via the serial accretion of continental plates between one to three billion years ago. Each such orogenic event was accompanied by magmatic intrusions that are imbued with the mineral resources. B. The Andean Cordillera was formed after the Amazon...
Mongabay
By Timothy J. Killeen All three legacy-oil pipelines in the Andean Amazon system are old. The Oleoducto Transandino Colombiano (OTC) has been operating for 53 years, followed by the Sistema de Oleoducto Transecuatoriano (SOTE) at 50 years and the Oleoducto Norperuano (ONP) at 45 years. Pipeline technology has changed dramatically since their construction, with improvements in steel alloys, welding technology and surface coverings. These systems’ greatest flaw, however, was the decision to build them above ground, a practice that had been abandoned by the industry in its US-based systems long b...
Mongabay
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