From:
"Peter Hill" <peterhill-rh@xxxxxxxxxxxxx>
Date:
Mon, 24 Jun 2002 09:43:04 +0100
Subject:
Nodule in Limestone
Beverly,
From your description, if it is dense like iron, then it
sounds like a marcasite nodule. Marcasite is a form of
iron sulphide, like pyrite, with a specific structural
form, cauliflower like as you said, and weathers rusty.
Often falls apart when exposed to the weather.
- References
- message 00028: Nodule in Limestone - Beverley Wright (24 Jun 2002)
- Previous by Thread: message 00029: Nodule in Limestone - jtwilley (24 Jun 2002)
- Next by Thread: message 00031: Nodule in Limestone - Dr. Tim Palmer (24 Jun 2002)
- Previous by Date: message 00029: Nodule in Limestone - jtwilley (24 Jun 2002)
- Next by Date: message 00031: Nodule in Limestone - Dr. Tim Palmer (24 Jun 2002)
