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From Ice to Fire 3


From Ice to Fire 3
Photo Information
Copyright: Neels Gunter (corjan3) Gold Star Critiquer/Silver Workshop Editor/Gold Note Writer [C: 430 W: 49 N: 964] (4707)
Genre: Landscapes
Medium: Color
Date Taken: 2010-01-25
Categories: Ocean
Camera: Canon PowerShot A640
Exposure: f/4.1, 1/400 seconds
Photo Version: Original Version
Date Submitted: 2013-09-25 18:58
Viewed: 2289
Points: 24
[Note Guidelines] Photographer's Note
It is the year 280 MBP (Million Before Present) and the inland Ecca Sea which formed by downbuckling of Earth's crust in response to the squashing and mountain building (orogenesis) in the south is reaching a depth of hundreds of metres. This part of Gondwana has moved across the south pole and the ice has cleared up. Deposition in the tranquil waters takes place mainly by suspension settling in anoxic (oxygen-free) water of very fine particles to form black carboniferous shales that turn white very quickly upon exposure at the surface by erosion or in road cuts. The white colour is the result of the precipitation of gypsum (CaSO4.2H2O) from the oxidation of pyrite (FeS2) and the combination of the sulphur with calcium from the organic-rich shales to form the white calcium sulphate.

Mesosaurus, a small swimming animal, is the first reptile to make its appearance here in the historical record of South Africa. These strata can be correlated, on a metre scale, by micropalaeontology (microfossils), with the Irati Formation of the Parana Basin in Brazil - just one of many indications that the two continents were joined during this time in the existence of Gondwana.

Vertical scale approximately two metres.

REMARK: This is the third in a series of images under the title FROM ICE TO FIRE - A 200 MILLION YEAR JOURNEY BETWEEN TWO DESERTS. The various images form part of a coherent unit which, for the sake of completeness, should be visited from number 1.

maaciejka, kinglove, Hotelcalifornia, nagraj, PeterZ, Maynayquan, ramthakur, peter_stoeckl has marked this note useful
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Discussions
ThreadThread Starter Messages Updated
To ramthakur: White colourcorjan3 3 10-02 18:12
To PeterZ: Skaalcorjan3 1 09-28 07:38
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Critiques [Translate]

Hi Neels,
another interesting photo from the series. Nice and interesting note. Very good presentation.
Thanks for sharing,
Maciek

Hi Neels,
照的清晰 另一張很有趣味的相片
闡述著歷史的陳跡
謝謝你的分享
STONE

Hello Mr.Neels,
Thanks for your series of "From Ice To Fire" which showing us past incident.Details are very good which shows us layer and pressure which occured at the dawn of creation.Like your NOTE too.
Thanks for sharing and waiting for next one,
Regards and have a nice day,
Srikumar

  • Great 
  • nagraj Gold Star Critiquer/Gold Star Workshop Editor/Gold Note Writer [C: 1618 W: 106 N: 3208] (15166)
  • [2013-09-26 0:06]

Hi,
Interesting notes and image...so old, unbelievable..tfs.
nagraj.v

  • Great 
  • siggi Gold Star Critiquer/Gold Star Workshop Editor/Gold Note Writer [C: 3097 W: 109 N: 12399] (52850)
  • [2013-09-26 0:21]

Hello Neels.
You have chosen a very interesting subject and Depicted and writing success in TN.Die formation layers are very clearly seen.Regards Siggi

  • Great 
  • iti Gold Star Critiquer/Gold Note Writer [C: 577 W: 0 N: 650] (7939)
  • [2013-09-26 10:54]

Hi Neels,
For me a very interesting and informative image and notes.
Regards Jiri.

  • Great 
  • lousat Gold Star Critiquer/Gold Star Workshop Editor/Gold Note Writer [C: 6595 W: 89 N: 15659] (65489)
  • [2013-09-26 12:28]

Hi Neels,another beautiful macro whit the best details,showing us the long work of the time,weather and different condition,i like the natural colors and the excellent brightness.Have a nice evening and thanks,Luciano

Hello Neels,
Nicely documented with excellent clarity,beautiful natural colours.TFS.
Regards,
Joy

Hallo Neels,
Interessante foto. Vooral ook door de note. Mooie foto. Alleen jammer dat we geen idee hebben hoe groot het afgebeelde is.
Enjoy the weekend,
Peter

Hello Neels,
Thanks for your interesting and informative note together with a nice pic! TFS and best regards!
John

This formation has a different character to it in comparison with the previous one, Neels.
I'm intrigued by the incidence of the black shale turning light in colour after exposure caused by erosion and human intervention.
Thanks.
Ram

  • Great 
  • foozi Gold Star Critiquer/Gold Note Writer [C: 2791 W: 0 N: 6696] (25839)
  • [2013-10-05 3:53]

Hello Neels
very interesting presentation with such an educational note.
It maybe of no interest for some but to me it is so special.
Thanks for sharing.

Regards
foozi

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