How to tell if you have limestone or shale bedrock

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How to tell if you have limestone or shale bedrock #241732 11/26/10 10:24 PM
Joined: Oct 2010 Posts: 26 in B bobby5 OP
OP bobby5 B Joined: Oct 2010 Posts: 26 in	I read that if you have shale bedrock that it is ok for holding water and limestone bedrock will leak. Is this true? How do you tell the difference in shale and limestone bedrock?

Re: How to tell if you have limestone or shale bedrock bobby5 #241736 11/26/10 11:04 PM
Joined: Mar 2005 Posts: 21,499 Likes: 267 Miss. E ewest Moderator Hall of Fame 2014 Lunker
ewest Moderator Hall of Fame 2014 Lunker E Joined: Mar 2005 Posts: 21,499 Likes: 267 Miss.	A geologist can tell you. Limestone is porous (has pore space between the grains of sand and lime while shale is much less (almost none) porous. Shale can form an impervious barrier but is also subject to fracturing. Either can leak depending on the circumstances.

Re: How to tell if you have limestone or shale bedrock ewest #241746 11/27/10 09:29 AM
Joined: Oct 2010 Posts: 26 in B bobby5 OP
OP bobby5 B Joined: Oct 2010 Posts: 26 in	Yeah i wasnt sure if it would hold or not with bedrock thats why i was askin. On my land there is bedrock so i wasnt sure if building a pond would be a good idea or not . I always wanted a pond. I think i have good clay but was concerned about bedrock.

Re: How to tell if you have limestone or shale bedrock bobby5 #241747 11/27/10 09:44 AM
Joined: Mar 2005 Posts: 21,499 Likes: 267 Miss. E ewest Moderator Hall of Fame 2014 Lunker
ewest Moderator Hall of Fame 2014 Lunker E Joined: Mar 2005 Posts: 21,499 Likes: 267 Miss.	Either can be covered with good clay to make a seal. You need a pro pond builder to advise. Check with Dave Sefton. Member #: 2223 Title: Lunker Ambassador Field Correspondent Total Posts: 45 Registered on: August 23, 2005 11:00 AM Edit This User \| Add to UBB Buddies \| Add to Watched Users \| Show User's Posts Contact Info Extra Information PM: Send a Private Message Email: djsefton@frontiernet.net Occupation: IDOT-Hwy Maintainer; Pond Builder Location: Brownstown, IL Last edited by ewest; 11/27/10 09:50 AM.