microfossil


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mi·cro·fos·sil

 (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.

microfossil

(ˈmaɪkrəʊˌfɒsəl)
n
(Palaeontology) a fossil generally less than 0.5 millimetre in size, such as a protozoan, bacterium, or pollen grain

mi•cro•fos•sil

(ˌmaɪ kroʊˈfɒs ɪl)

n.
a fossil so small that it can be studied and identified only with a microscope.
[1920–25]
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.microfossil - a fossil that must be studied microscopicallymicrofossil - a fossil that must be studied microscopically
fossil - the remains (or an impression) of a plant or animal that existed in a past geological age and that has been excavated from the soil
References in periodicals archive ?
For moderately well preserved and well-preserved samples, the following sample sizes are recommended: genetic analysis, 5 mg; protein analysis, 5-10 mg; microfossil analysis, 1-3 mg.
The combined work will lead to a dynamic model for microfossil transformation in progressively altered silica-matrices.
The quartz also contained microfossil imprints of what appear to be cells.
Examination of the microfossil assemblage was unable to define the age of the limestone beneath the massive gypsum bed on Jazirat but the general appearance and non-dolomitic mineralogy persuades the present authors that this sub-gypsum layer is Pleistocene.
RECONSTRUCTING SMOKING PRACTICES AT LA GRANJA SITE (130 A 1000 AD, CACHAPOAL RIVER VALLEY, VITH REGION, CHILE) THROUGH MICROFOSSIL EVIDENCE
The companion website contains PDFs of all figures from the book, powerpoints of all tables, microfossil images, modeling code, and databases.
The current study added a numerical model for calculating water exchange through the Strait of Gibraltar as a function of sea-level change, which allowed the microfossil records to be used as a sensitive recorder of global sea-level changes.
Among the topics are from Tyrannosaurus rex to asteroid impact: early studies (1901-80) of the Hell Creek Formation in its type area, carbon isotope stratigraphy and correlation of plant megafossil localities, a preliminary test of the press-pulse extinction hypothesis: palynological indicators of vegetation change preceding the Cretaceous-Paleogene boundary in McCone County, the diversity and paleoecology of actinopterygian fish from vertebrate microfossil localities of the Maastrichtian Hell Creek Formation, and the cranial morphology of a juvenile Triceratops skull and comments on the fossil record of ontogenetically younger skulls.
The characteristic microfossil assemblages within the SML have been studied from fifty two thin sections of the reservoir rock from four Sui wells for understanding the reservoir architecture and quality.
A complementary microfossil assemblage from the subsurface of the Colville Hills region contains an extraordinary diversity of exquisitely preserved arthropod cuticle, and constitutes the oldest known record of complex crown-group crustaceans.
As well as providing significant conceptual advances, the papers pleasingly demonstrate that archaeobotany has come a long way since 1989's Foraging and Farming, this volume's direct ancestor, with microfossil analysis being almost unrecognizable in its methodological depth and analytical scope.