Links

http://pubs.usgs.gov/of/2004/1007/volcanic.html
USGS explanation of “Hole-In-The-Wall” rocks

http://www.nps.gov/goga/forteachers/graywacke-sandstone-faq.htm
NPS website about Greywacke sandstone with a nice photo beneath the Golden Gate Bridge

http://www.phys.tue.nl/MRL/TPM/porous/Restop21.html
Simulating the growth of tafoni - Huinink et al.

http://www.rosssea.info/rock-weathering.html
Cavernous weathering photos from Antarctica

http://www.tec.army.mil/research/products/desert_guide/lsmsheet/lstafon.htm
Concise description

http://www.photoglobe.info/db_corsica/corse_bolius_sep2004_009.html
Corsican tafoni

http://userwww.sfsu.edu/~rayp/
Ray Pestrong’s Website

http://www.mgordonphotography.com/gallery2006/gallery_038.htm
Beautiful art photography

http://geology.rockbandit.net
Diverse array of geology related content

http://www.ylem.net
Art and science collective

http://www.flickr.com/photos/candiedwomanire/84148980/
A nice collection of tafoni pictures

http://pescaderomemories.com/
Lovely coastal memories

http://www.rosalielang.com/rosalielang-form.html

Exquisite paintings by Rosalie Lang of weathering patterns including honeycomb

http://www.geocaching.com/seek/cache_details.aspx?wp=GC1H4D9

An interesting geocache location inside a tafone in Tasmania

The Tafoni Trail
http://www.bahiker.com/southbayhikes/elcortemadera.html
Directions

http://www.the4cs.com/~corin/photos/2003/DougJanuary/2003012511091.html
A description from a trail sign of one possible mechanism for tafoni in the Santa Cruz coastal mountains (Corta Madera). This trail, dubbed the tafoni trail, features some exquisite forms at more than 700 m MSL

http://kevingong.com/Hiking/200405TafoniTrail.html
http://www.flickr.com/photos/candiedwomanire/84148980/
Forms and links to various albums

Castle Rock State Park
http://www.bahiker.com/southbayhikes/castlerock.html
Directions
http://3dparks.wr.usgs.gov/3Dbayarea/html/CastleRock.htm
USGS Web Site with some lovely 3D images

Northwest Geology Field Trips

http://nwgeology.wordpress.com/the-fieldtrips/the-chuckanut-formation/honeycomb-weathering-in-sandstone-of-the-chuckanut-formation/

Field Trips to wonderful landforms in the Chuckanut Formation in coastal Washington