Experimental precipitation of apatite pseudofossils resembling fossil embryos.
Geobiology
; 16(1): 80-87, 2018 01.
Article
em En
| MEDLINE
| ID: mdl-29047205
ABSTRACT
Certain phosphatic grains preserved in the rock record are interpreted as microfossils representing a diversity of microorganisms from bacteria to fossil embryos. In addition to bona fide primary biological features, phosphatic microfossils and fossil embryos commonly exhibit features that result from abiotic precipitation or diagenetic alteration. Distinguishing between abiotic and primary biological features can be difficult, and some features thought to represent biological tissue could instead be artifacts that are unrelated to the original morphology of a preserved organism. Here, we present experimentally generated, abiotically produced mineral precipitates that morphologically resemble biologically produced features, some of which may be observed in the rock record or noted in extant organisms, including embryos. These findings extend the diversity of biomorphic features known to result from abiotic precipitation.
Texto completo:
1
Coleções:
01-internacional
Base de dados:
MEDLINE
Assunto principal:
Apatitas
/
Precipitação Química
/
Fósseis
Limite:
Animals
Idioma:
En
Revista:
Geobiology
Ano de publicação:
2018
Tipo de documento:
Article