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PRF2022—Progressive Failure of Brittle Rocks

Paper No. 3-22
Presentation Time: 8:00 AM-5:15 PM

CEMENT DEPOSITS IN OPENING-MODE FRACTURES IN SANDSTONE: IMPLICATIONS FOR SIZE, SPACING, CONNECTIVITY, AND EROSION


LAUBACH, Stephen, Bureau of Economic Geology, Jackson School of Geosciences, The University of Texas at Austin, University Station, P.O. Box X, Austin, TX 78713-8924

In the case of opening-mode fractures in sandstone that formed or resided at depth in diagenetic conditions (ca. 50 to 200 ℃) a chemical perspective helps guide characterization of open fracture size, spatial arraignment, and connectivity. Partial quartz fill and microfractures create weakness susceptible to reactivation and may impart strength anisotropy. Studies that account for both chemical and mechanical processes have great potential to solve challenging practical problems in subsurface science and to help interpret outcrop fracture patterns.
Handouts
  • Laubach-Stephen-PRF2022a.pdf (955.9 kB)

    • Session No. 3--Booth# 22

    Posters - Authors available Monday & Tuesday following the PM Oral Sessions
    Monday, 20 June 2022: 8:00 AM-5:15 PM
    Highland Lake Inn and Resort

    doi: 10.1130/abs/2022PR-376138
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