Encyclopedia of Geobiology

2011 Edition
| Editors: Joachim Reitner, Volker Thiel

Silica Biomineralization, Sponges

  • Hermann Ehrlich
Reference work entry
DOI: https://doi.org/10.1007/978-1-4020-9212-1_31


Biosilicification, Silication


Biosilicification: The biological formation of opal-like amorphous hydrated silica. This phenomenon occurs on a globally vast scale in a wide variety of organisms, including protists, radiolarian, foraminifera, sponges, molluscs, brachiopods, copepods, ascidians, diatoms, and higher plants.

Biomineralization and biosilicification


The growth in geobiology and biogeochemistry has led to a number of new existing research areas where the distinctions between the biological, chemical, and earth science disciplines melt away (Weiner and Dove, 2003). Of the intriguing topics that are receiving renewed attention, the study of biomineral formation based on organic templates is one of the most fascinating topics today. During the processes of biomineralization, the organic material acts variously as nucleator, cooperative modifier, and matrix or mold for the mineral ions with respect to biominerals formation which are characterized...


Silicic Acid Biogenic Silica Sponge Spicule Siliceous Sponge Axial Filament 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.
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Authors and Affiliations

  1. 1.Biominerals, Biocomposites & Biomimetics Group Institute of Bioanalytical ChemistryDresden University of TechnologyDresdenGermany