Credits

Credits and licences

This website is built and maintained by AIM Consulting Associates Inc. It uses the third-party components below, each under its own licence.

Software

• three.js version 0.186.1, used to draw the three-dimensional demonstration. Copyright 2010-2026 three.js authors. Released under the MIT License. A subset of the library is bundled and served from this site; the licence notice is kept inside the bundled file.

Fonts

• IBM Plex Sans (weights 400, 500 and 600) and IBM Plex Mono (weights 400 and 500). Copyright 2019 IBM Corp. Released under the SIL Open Font License, version 1.1. The font files are served from this site, as packaged by the Fontsource project (version 5.3.0).

Science

The demonstration implements published definitions from first principles, with invented inputs:

• Slip tendency: Morris, A., Ferrill, D.A., and Henderson, D.B. (1996). Slip-tendency analysis and fault reactivation. Geology, 24(3), 275. doi:10.1130/0091-7613(1996)024<0275:STAAFR>2.3.CO;2
• Effective stress on faults: Streit, J.E., and Hillis, R.R. (2004). Estimating fault stability and sustainable fluid pressures for underground storage of CO2 in porous rock. Energy, 29(9-10), 1445-1456. doi:10.1016/j.energy.2004.03.078
• Dilation tendency: Ferrill, D.A., Winterle, J., Wittmeyer, G., Sims, D., Colton, S., Armstrong, A., and Morris, A.P. (1999). Stressed rock strains groundwater at Yucca Mountain, Nevada. GSA Today, 9(5), beginning on page 1.

Data

No real data is used anywhere on this site. The slope, fault, stresses and pressures in the demonstration are invented.