File:Kalktuff-Barre Karst-Sediment Baeratal Schwaebische-Alb.jpg

From Wikimedia Commons, the free media repository
Jump to navigation Jump to search

Original file ‎(1,800 × 1,200 pixels, file size: 2.41 MB, MIME type: image/jpeg)

Captions

Captions

Add a one-line explanation of what this file represents

Summary

[edit]
Description
Deutsch: Stark perforierte Kalktufffläche (ca. 1 m2); fast keine Spuren des Sägens oder Herausbrechens durch Steinbruchtätigkeiten. Detail aus einer mächtigen Kalktuffablagerung in „Ensisheim“ im Tal des kleinen Flusses Bära, Schwäbische Alb (Westalb).
Hier ist besonders deutlich, dass sich anfänglich feuchtnasser Kalkbrei mit viel Schilfhalmen, Zweigen, feinen Lockermaterial und Lufteinschlüssen vermengte und schließlich aushärtete. Der Kalktuff wurde aus viel Kalkwasser führenden Karstquellen angehäuft, solange ein chemischer Prozess den Kalk aus turbulentem Wasser wieder ausfällte. Die mächtigen Ablagerungen erfolgten in den Warmzeiten um die Wende Pleistozän/Holozän und brauchten bis zur Aushärtung mehrere Jahrtausende (12000-6000).

English: Heavily perforated Travertine (ca. 1 m2) from one of 3 rests of sedimentation in the valley of river Bära at “Ensisheim”, West Swabian Alb. The Travertine, when cropped still humid and easy to saw, runs dry and solidifies to become a fairly tough rock. Here the material developed in interglacial times of the interim of Pliocene/Holocene (12000-6000).
In this sample the porosity is very transparent. The subtlety of the material, stems, twigs, air entrapments are frequent, the make very lightweight Travertine.
Date
Source Own work
Author Ustill

Licensing

[edit]
w:en:Creative Commons
attribution share alike
This file is licensed under the Creative Commons Attribution-Share Alike 3.0 Germany license.
You are free:
  • to share – to copy, distribute and transmit the work
  • to remix – to adapt the work
Under the following conditions:
  • attribution – You must give appropriate credit, provide a link to the license, and indicate if changes were made. You may do so in any reasonable manner, but not in any way that suggests the licensor endorses you or your use.
  • share alike – If you remix, transform, or build upon the material, you must distribute your contributions under the same or compatible license as the original.

File history

Click on a date/time to view the file as it appeared at that time.

Date/TimeThumbnailDimensionsUserComment
current17:02, 22 January 2017Thumbnail for version as of 17:02, 22 January 20171,800 × 1,200 (2.41 MB)Ustill (talk | contribs)User created page with UploadWizard

You cannot overwrite this file.

There are no pages that use this file.

File usage on other wikis

The following other wikis use this file:

Metadata

This file contains additional information such as Exif metadata which may have been added by the digital camera, scanner, or software program used to create or digitize it. If the file has been modified from its original state, some details such as the timestamp may not fully reflect those of the original file. The timestamp is only as accurate as the clock in the camera, and it may be completely wrong.

Retrieved from "https://commons.wikimedia.org/w/index.php?title=File:Kalktuff-Barre_Karst-Sediment_Baeratal_Schwaebische-Alb.jpg&oldid=612451728"