from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. A pseudofossil with banded structures of coarsely crystalline calcite and serpentine.
from the GNU version of the Collaborative International Dictionary of English
- n. A peculiar structure found in the Archæan limestones of Canada and other regions. By some geologists it is believed to be a species of gigantic Foraminifera, but others consider it a concretion, without organic structure.
from The Century Dictionary and Cyclopedia
- n. A name given in 1865 by the geologists of the Canada survey to a certain aggregate of minerals, viewed by them as a fossilized organic body, belonging to the Foraminifera.
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