microfossil

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microfossil

(mī′krō-fŏs′əl)
n.
A fossil, as of a pollen grain or unicellular organism, that is too small to study with the naked eye.
The American Heritage® Medical Dictionary Copyright © 2007, 2004 by Houghton Mifflin Company. Published by Houghton Mifflin Company. All rights reserved.
References in periodicals archive ?
Data regarding associated microfossils and radiometric ages were provided by Micropaleo Consultants, Inc.
Archean microfossils: new evidence of ancient microbes.
Differentiating dietary and non-dietary microfossils extracted from human dental calculus: The importance of sweet potato to ancient diet on Rapa Nui.
Caption: Crystals of pyrite mineral (black specks) that surround microfossils from a 3.4-billion-year-old Australian rock layer may be evidence of early cell metabolism.
Assemblage of microfossils caused to suggest 2 biozones; Pseudocyclammina lituus-Dukhania Arabica Algal-zone ll with Neocomian age and Orbitolina--Choffattella -Salpingoporella dinarica zone l with Barremian-early Aptian.
The dispute concerning the origin of the CIs on Mars, unlike an argument about microfossils, was a more straightforward battle over isotopes and rock chemistry.
Within the last couple of decades, studies of plant microfossils from the western Pacific have provided major advances in identifying prehistoric plant subsistence.
The use of microfossils for correlation of the base of the Wenlock was investigated by Mabillard & Aldridge (1985), but they estimated that the base did not coincide with the base of any microfossil biozone.
Since early Ypresian microfossils are present in Wenonah even though the Acadia chalk is not, it follows that this unit may in fact be late Ypresian in age.
Petrographically it consists of bioclastic, peloidal and intraclastic packstone-wackestones with abundant microfossils of assemblages that are representative of the inner shelf environment (e.g.
But scientists are still not sure whether the microfossils were really from Mars or the result of Earthly contamination.