Superfaults and Pseudotachylytes: Evidence of Catastrophic Earth Movements

Download PDFDownload Superfaults and Pseudotachylytes: Evidence of Catastrophic Earth Movements PDF

by Timothy L. Clarey, Ph.D., Steven A. Austin, Ph.D., Stephen Cheung, B.Sc., and Raymond Strom, Ch.T.

In M. Horstemeyer, ed., 2013, Proceedings of the Seventh International Conference on Creationism, Pittsburgh, PA: Creation Science Fellowship. Visit the ICC at www.creationicc.org.

Abstract

Superfaults often exhibit an unusual rock called pseudotachylyte, and together these two features are critical to our understanding of catastrophic tectonics. Superfaults are rapid-moving, single-slip displacement surfaces involving very large offsets with the moving-block side of the fault being unconfined or unpinned during rapid gravity offset. Pseudotachylyte is the dark-colored, metamorphic silicate glass formed by frictional melting upon the superfault surface at temperature exceeding 1000oC, and often displaying distinctive isotropic or cryptocrystalline optical properties. Pseudotachylyte is understood to be evidence of high-speed rock movement during superquakes, where displacements occurred much faster than during modern magnitude 9 earthquakes. Superfaults, pseudotachylyte and superquakes are interpreted as support for global catastrophic tectonic activity. Hand specimens and field data were collected from Homestake Shear Zone in central Colorado, and from the Pasagshak Thrust, Kodiak Island, Alaska. Thin-section analysis shows the presence of glass melt and/or aphanitic black rocks containing pseudotachylyte, and the development of numerous pressure solution surfaces within cataclasite rocks. Cross-cutting relationships support repeated episodes of fault movement and subsequent melt development at both sites. Data gathered from the Homestake Shear Zone supports rapid catastrophic Earth movements during the formation of the North American continent on Day 3 of the Creation Week. Evidence from the Pasagshak Thrust supports the subduction model of catastrophic plate tectonics, with the fault being active during and after Noah’s Flood. Proceedings of the Seventh International Conference on Creationism. Pittsburgh, PA: Creation Science Fellowship

Keywords

Superfault, pseudotachylyte, cataclasite, black fault rock, subduction, catastrophic plate tectonics, supercritical fluid

For Full Text

Please see the Download PDF link above for the entire article.

The Latest
NEWS
Delicate Spider Fossil Discovered
Discovering fossil spiders has become fairly common.1 Each time they have been 100% spiders, not vague evolutionary ancestors with partial or transitional...

NEWS
A T. rex Swimming with Sharks?
The last time I checked, sharks didn’t swim on land. Most shark species inhabit saltwater oceans. Maybe tyrannosaurs swam some, but they didn’t...

NEWS
"Ancient" Fossil Still Has Hagfish Slime Residue
Hagfish look creepy. They can act creepy, too. Having no bones, they tie themselves into sliding figure eight knots that help them tear mouthfuls of...

CREATION PODCAST
What Do We Do With Darwin Day?
Many secularist and humanist organizations celebrate February 12 as Darwin Day, a day set aside to honor Charles Darwin and his legacy. But is Darwinism...

NEWS
Meteorite Impact Observed During Lunar Eclipse
On January 21, 2019, during a total lunar eclipse, astronomers and amateur stargazers alike saw a small meteorite strike the lunar surface.1 The collision...