Dienstag, 8. September 2009

Where on Google Earth #173

The last excursion of WoGE (pronounced WvoGoEe) showed us some important type localities - locations where for the first time a mineral was found and described, or where it is found in accessible and well recognizable specimens - so the last round for example was the mineral "Tyrolensis" - no wait, was it "Saussurite", or should we name it "Arduinoite" ?

No - even if a first chemical observations of a strange Mg-rich limestone was published in 1779 by the Italian geologist Giovanni Arduino, the honour to became named a mineral in 1792, and then a mountain range after him, pertains to a restless "voyageur".
With 26 years - after some troubles with justice- he decided to travel and visited different geological localities of the European continent (a early Woge-Player?), so in 1784 he came to the Italian province of Calabria, after the great earthquake. And being there, he visited another well known geological phenomenon of the region on the great island nearby - even when then you couldn't go skiing on the top of this geological feature.

Remaining at home in his country he could also have visited Mg-bearing black rocks (this time not related to his name) and so the geological feature that he discovered active in Italy - even when these features today are filled with a complete opposite element to the strange things in Italy. And there finally it is , the WoGE 173, with 500m in diameter:

But that's good so, because if something fells in this hole, it remains there, and when after 325ka climatologist cam to drill, they sometimes discover another warm "climate" - and name it after the locality they found it - so at end, it's just another type locality.

I think from the first clues you can quickly deduce what country ´s geology you have to study to find the geological "spot" - it would be sufficient to name the general context of this point, maybe the specific content of the "holes" is known better to quaternary geologist - but if you really good (and I expect nothing lesser) you can also explain why the keyword here is "climate".

"For any new players to Where on (Google) Earth, simply post a comment with latitude and longitude (or a description of the location) and write something about what the features in the picture are, or how they have developed. Also you need to explain how the keyword fits in there. If you win, you get to host the next one - with the new twist to the game: the location should be connected to the previous one by some common concept, or “keyword”."

Schott's Rule could be applied: former winners have to wait 1 hour for each WoGE they got right.

Good luck !


Anonym hat gesagt…

44°54'25"N 3°47'40"E

Lac du Bouchet, a maar lake in Haue Loire, France, where sedimentation could continue for a long period of time. Long core samples of the lake sediments have been investigated (pollen, paleomagnetics etc.) from which a climate record for the Pleistocene glaciations and interglacials has been derived. (Beginning from the Holsteinian, if I am not mistaken.)

The records indicated “new” interglacials between Holsteinian and Eemian (i.e. in the stratigraphic nightmare that is called Saalian in North Germany).

Thus, there is also a Bouchet Interglacial, which may correspond to the German Wacken/Dömitz/Schönigen, but I don't have helpful literature at hand, and my head gets dizzy already…

Anonym hat gesagt…

The new WoGE is up at my blog. Enjoy!