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Re: Calcrete #51511
03/19/02 09:12 AM
03/19/02 09:12 AM
Joined: Nov 2000
Posts: 866
Perth, Western Australia
stales Offline
old hand
stales  Offline
old hand
Joined: Nov 2000
Posts: 866
Perth, Western Australia
You got it - I think. Could also be calcium + accreted/accretion.

Same goes for "silcrete" (silica + concrete/accreted/accretion) and "ferricrete" - have a guess!

stales


Re: calcrete and silcrete #51512
03/19/02 04:36 PM
03/19/02 04:36 PM
Joined: Aug 2001
Posts: 2,605
K
Keiva Offline
Carpal Tunnel
Keiva  Offline
Carpal Tunnel
K
Joined: Aug 2001
Posts: 2,605
per Academic Press Dictionary of Science and Technology, no concrete is involved:

calcrete Geology. 1. a conglomerate of surface sand and gravel cemented into a hard mass by calcium carbonate. 2. in a semiarid climate, a hard crust containing calcium carbonate formed on the surface of a soil.
silcrete Geology. a conglomerate of surficial sand and gravel cemented together by silica.

http://www.harcourt.com/dictionary


Re: calcrete and silcrete #51513
03/20/02 02:35 PM
03/20/02 02:35 PM
Joined: Nov 2000
Posts: 866
Perth, Western Australia
stales Offline
old hand
stales  Offline
old hand
Joined: Nov 2000
Posts: 866
Perth, Western Australia
Keiva - "concretion"(n.) is a geological term - a subspherical lump of grains that have been cemented together by chemical means. Thus you are correct in saying that it has nothing to do with concrete, but concretion is in there somewhere....

stales


Re: That picture!!! #51514
03/22/02 02:57 PM
03/22/02 02:57 PM
Joined: Jun 2001
Posts: 2,636
Caribbean
consuelo Offline OP
Carpal Tunnel
consuelo  Offline OP
Carpal Tunnel
Joined: Jun 2001
Posts: 2,636
Caribbean
Hope that thing is well sanded, I'd hate to think of splinter removal.


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