# Figure credits — geology illustrations

These figures are **photographs and diagrams taken from an openly licensed textbook**:

> *Physical Geology – 2nd Edition* by **Steven Earle** (with Karla Panchuk), BCcampus, 2019.
> Licensed **CC BY 4.0** — https://opentextbc.ca/physicalgeology2ed/

**Only figures that are CC BY or public domain are used here.** The textbook contains a
number of other figures that are CC BY-SA or "All rights reserved. Used with permission.";
those have been **deliberately excluded** and are not reproduced anywhere on this site.

Each image below is reproduced unmodified (only resized/compressed for the web) with the
credit line shown. The site is not affiliated with BCcampus or the author.

| File | Source figure | Credit |
| --- | --- | --- |
| `granite-closeup.jpg` | Fig. 1.4.2 | © Steven Earle. CC BY 4.0 |
| `granite-pebbles.jpg` | Fig. 1.4.3 | © Steven Earle. CC BY 4.0 |
| `exfoliation-granite.jpg` | Fig. 5.1.1 | © Steven Earle. CC BY 4.0 |
| `exfoliation-slate.jpg` | Fig. 5.1.2 | © Steven Earle. CC BY 4.0 |
| `frost-wedging.png` | Fig. 5.1.3 | © Steven Earle. CC BY 4.0 |
| `talus-slope.jpg` | Fig. 5.1.4 | © Steven Earle. CC BY 4.0 |
| `honeycomb-weathering.jpg` | Fig. 5.1.5 | © Steven Earle. CC BY 4.0 |
| `roots-in-granite.jpg` | Fig. 5.1.6 | © Steven Earle. CC BY 4.0 |
| `soil-on-loess.jpg` | Fig. 5.4.2 | © Steven Earle. CC BY 4.0 |
| `beach-pebbles.jpg` | Fig. 6.1.1 | © Steven Earle. CC BY 4.0 |
| `stream-flow.jpg` | Fig. 6.1.3 | © Steven Earle. CC BY 4.0 |
| `sandstone-thinsections.jpg` | Fig. 6.1.7 | © Steven Earle. CC BY 4.0 |
| `clastic-rocks.jpg` | Fig. 6.1.8 | © Steven Earle. CC BY 4.0 |
| `seismic-hammer.png` | Fig. 9.1.1 | © Steven Earle. CC BY 4.0 |
| `wave-velocities.png` | Fig. 9.1.3 | © Steven Earle, after the US Environmental Protection Agency (public domain) |
| `moho.jpg` | Fig. 9.1.5 | © Steven Earle. CC BY 4.0 |
| `wave-shadow-zones.jpg` | Fig. 9.1.6 | © Steven Earle. CC BY 4.0 |
| `fault-offset.png` | Fig. 12.3.4 | © Steven Earle. CC BY 4.0 |
| `graben-horst.jpg` | Fig. 12.3.6 | © Steven Earle. CC BY 4.0 |
| `thrust-mt-yamnuska.jpg` | Fig. 12.3.9 | © Steven Earle. CC BY 4.0 |
| `porosity.png` | Fig. 14.1.1 | © Steven Earle. CC BY 4.0 |
| `hydraulic-conductivity.png` | Fig. 14.1.2 | © Steven Earle. CC BY 4.0 |
| `aquifers-confining.png` | Fig. 14.1.4 | © Steven Earle. CC BY 4.0 |
| `shear-normal-forces.jpg` | Fig. 15.1.1 | © Steven Earle. CC BY 4.0 |
| `slope-bedding-stability.jpg` | Fig. 15.1.2 | © Steven Earle. CC BY 4.0 |
| `glacial-till-outwash.jpg` | Fig. 15.1.3 | © Steven Earle. CC BY 4.0 |
| `sand-dry-moist-saturated.png` | Fig. 15.1.4 | © Steven Earle. CC BY 4.0 |
| `hokkaido-landslides.jpg` | Fig. 15.1.7 | "Landslides in Hokkaido" by Lauren Dauphin, NASA Earth Observatory (public domain) |
| `talus-rockfall.jpg` | Fig. 15.2.2 | © Steven Earle. CC BY 4.0 |
| `porteau-cove-slide.jpg` | Fig. 15.2.4 | © Steven Earle. CC BY 4.0 |
| `meager-rock-avalanche.jpg` | Fig. 15.2.5 | "2010 Mt. Meager rock avalanche" © Isaac Earle. CC BY 4.0 |
| `creep-pistol-butt.jpg` | Fig. 15.2.7 | © Steven Earle. CC BY 4.0 |
| `slump-lethbridge.jpg` | Fig. 15.2.9 | © Steven Earle. CC BY 4.0 |
| `debris-flow.jpg` | Fig. 15.2.11 | © Steven Earle. CC BY 4.0 |

**Recommended attribution statement:**

> *Physical Geology – 2nd Edition* by Steven Earle is used under a Creative Commons
> Attribution 4.0 International Licence. https://opentextbc.ca/physicalgeology2ed/