The Unique Geology of Eagle
Every community in the Doyon region has unique geology. Geology predicts how earthquakes happen if there is gravel close by, and what type of fossils might be near your community. In this summary, we take a quick look at the geology of Eagle village, located in the Eastern Interior part of the Doyon region.
Located along the Yukon River, Eagle is part of the East Central Yukon region in the lowlands. Eagle is located on a rock terrace, which puts it above flooding elevation, yet still on a deep banked area of the Yukon River. The area is just south of the Tintina Fault, also known as the Tintina Gold Belt. This area is a mostly metamorphic rock – quartzite, schist, greenschist, greenstone, and periodized serpentinite. What is also notable is that there is chert bearing quartzite of Permian age (formed 298 million years ago). Intermediate igneous dikes cut through the bedrock in the area that is mostly of Mesozoic age (66 to 252 million years of age).
If you find any outcropping in the area, it is due to frost heaving from the continuous permafrost underneath. Fun Fact: Awaruite (naturally occurring nickel-iron alloy) can also be found in the area!