Free Republic

Those of you who have gazed on the various images I've posted here will remember that I have a particular fondness for columnar basalt: the geological formation found at Devil's Tower, the Devil's Postpile, Svartifoss waterfall in Iceland, New York's Palisades, Giant's Causeway in Iceland, etc. There's actually a good list here, with some I hadn't known about before (I know, what a surprise!) Basalt Now, this picture and this feature might not constitute actual unusual geology; in fact, itÂ’s probably rather conventional, though it does result from a fortuitous combination of geological processes; and as you might guess, it...

Continuing in an Icelandic waterfall vein (which I'll continue at least one more week), I discovered pictures of this one -- Svartifoss. Those of you who've been regulars for the Geology Picture of the Week know that I've got a lot of sub-interests, two of which are columnar basalt and waterfalls. Well, Svartifoss is two for the price of one! The picture is a nice artistic capture; there are numerous digital snaps of Svartifoss at various flow levels. Source: http://www.seewald.com/ Svartifoss is located in the Skaftafell National Park. Map: The linked page is where I found the map; it's got...

Link post: access the thread in the General/Chat section to post commentary (and in this case, pictures of columnar jointing in you feel so inclined): Geology Picture of the Week, December 12-18, 2004: Giant's Causeway (Interactive)

How this happened: I was thinking of posting a picture of Mount Rushmore before the carvings (free-associated Mount Rushmore because I heard them talking about Rushmore Mall on the Weather Channel) but there aren't any quality pictures of Mount Rushmore before the carvings. Sooo... I started thinking about rock formations, thought about Devil's Tower, remembered the Giant's Causeway, and here we are: