Editing Hydrogeology of Mali

Jump to navigation Jump to search

Warning: You are not logged in. Your IP address will be publicly visible if you make any edits. If you log in or create an account, your edits will be attributed to your username, along with other benefits.

The edit can be undone. Please check the comparison below to verify that this is what you want to do, and then save the changes below to finish undoing the edit.

This page supports semantic in-text annotations (e.g. "[[Is specified as::World Heritage Site]]") to build structured and queryable content provided by Semantic MediaWiki. For a comprehensive description on how to use annotations or the #ask parser function, please have a look at the getting started, in-text annotation, or inline queries help pages.

Latest revision Your text
Line 195: Line 195:
 
|| Variable thickness from a few tens of metres (Nara ditch) to over 1000 m (Sudanese Strait).
 
|| Variable thickness from a few tens of metres (Nara ditch) to over 1000 m (Sudanese Strait).
 
|-
 
|-
!colspan="4"| Sedimentary: Upper Cretaceous-Tertiary
+
!colspan="4"| Sedimentary: Cretaceous
 
|-
 
|-
|Marine Sediments
+
| Continental Intercalaire
||Upper Cretaceous – Lower Eocene (Tertiary)
 
|| This unit comprises marine sediments, which were deposited primarily along the western margin of the Adrar des Iforas (Sudanese Strait). Limestone, containing varying amounts of marl, predominates at the base of the sequence. Sandstone and clay are dominant towards the top of the sequence.
 
||
 
|-
 
!colspan="4"| Sedimentary: Lower Cretaceous
 
|-
 
|Continental Intercalaire
 
 
||Lower Cretaceous
 
||Lower Cretaceous
 
||These rocks consist of sandstone, conglomerate and arkose, with varying amounts of clay. It is a continental infill sequence, which was deposited in the Azaouad Basin (north) and the Iullemeden Basin (east) prior to the mid-Cretaceous marine transgression.
 
||These rocks consist of sandstone, conglomerate and arkose, with varying amounts of clay. It is a continental infill sequence, which was deposited in the Azaouad Basin (north) and the Iullemeden Basin (east) prior to the mid-Cretaceous marine transgression.
 
||Thicknesses of 500  to 1000 m.   
 
||Thicknesses of 500  to 1000 m.   
 +
|-
 +
| Marine Sediments
 +
||Upper Cretaceous – Lower Eocene
 +
|| This unit comprises marine sediments, which were deposited primarily along the western margin of the Adrar des Iforas (Sudanese Strait). Limestone, containing varying amounts of marl, predominates at the base of the sequence. Sandstone and clay are dominant towards the top of the sequence.
 +
||
 
|-
 
|-
 
!colspan="4"|Igneous
 
!colspan="4"|Igneous

Please note that all contributions to Earthwise may be edited, altered, or removed by other contributors. If you do not want your writing to be edited mercilessly, then do not submit it here.
You are also promising us that you wrote this yourself, or copied it from a public domain or similar free resource (see Earthwise:Copyrights for details). Do not submit copyrighted work without permission!

Cancel Editing help (opens in new window)

  [] · [[]] · [[|]] · {{}} · · “” ‘’ «» ‹› „“ ‚‘ · ~ | °   · ± × ÷ ² ³ ½ · §
[[Category:]] · [[:File:]] · <code></code> · <syntaxhighlight></syntaxhighlight> · <includeonly></includeonly> · <noinclude></noinclude> · #REDIRECT[[]] · <translate></translate> · <languages/> · ==References== · {{reflist}} · ==Footnote== · {{reflist|group=note}} · <ref group=note> · __notoc__ · {{DEFAULTSORT:}} <div class="someclass noprint"></div> {{clear}} <br>