Sruhanleanantawey Burn ASSI

| Site No. | ASSI 312 |
|---|---|
| Area | 1.75h. |
| Declared Date | 16/11/2009 |
| Confirmed Date | |
| County | Londonderry |
| Council(s) | Cookstown DC and Magherafelt DC |
| Keywords | Earth Science |
Sruhanleanantawey Burn has been designated an ASSI because of it’s important geology.
The area provides access to a range of rocks that are exposed along the stream. The rocks here date from the Ordovician period of Earth history and are some 460 million years old.
The stream section exposes a sequence of sedimentary, volcanic and volcaniclastic rocks of Ordovician age, some 460 million years old.
A mixture of sedimentary, volcanic and other igneous rocks are exposed.
These were originally laid down in an ancient ocean called the Iapetus.
The type of volcanic rocks found at the site show that the rocks formed in what’s known as an `Island Arc? setting, similar to Japan and the Caribbean Islands today.
Site Related Documents
Site Map (.PDF 1.4Mb)
, Copy of Citation and Views about Management document (.PDF 212Kb)
and Colour Leaflet (.PDF 176Kb)
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