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These objects in the Amuri limestone at Chancet Rocks Scientific Reserve, Ward, are thought by some people to be fossil sponges. Others consider them to be paramourdra silica concretions which formed around vertical burrows in the sediment on the sea floor.

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https://paperspast.natlib.govt.nz/newspapers/CHP19860911.2.108.4.2

Bibliographic details

Press, 11 September 1986, Page 21

Word Count
41

These objects in the Amuri limestone at Chancet Rocks Scientific Reserve, Ward, are thought by some people to be fossil sponges. Others consider them to be paramourdra silica concretions which formed around vertical burrows in the sediment on the sea floor. Press, 11 September 1986, Page 21

These objects in the Amuri limestone at Chancet Rocks Scientific Reserve, Ward, are thought by some people to be fossil sponges. Others consider them to be paramourdra silica concretions which formed around vertical burrows in the sediment on the sea floor. Press, 11 September 1986, Page 21