Next Article in Journal
An Alternative Scenario on the Origin of Ultra-High Pressure (UHP) and Super-Reduced (SuR) Minerals in Ophiolitic Chromitites: A Case Study from the Mercedita Deposit (Eastern Cuba)
Next Article in Special Issue
Editorial for Special Issue “Mineralogy of Quartz and Silica Minerals”
Previous Article in Journal
Critical Coalescence Concentration (CCC) for Surfactants in Aqueous Solutions
Previous Article in Special Issue
Multi-Stage Evolution of Gold-Bearing Hydrothermal Quartz Veins at the Mokrsko Gold Deposit (Czech Republic) Based on Cathodoluminescence, Spectroscopic, and Trace Elements Analyses
Article Menu
Issue 10 (October) cover image

Export Article

Open AccessArticle

Deciphering Silicification Pathways of Fossil Forests: Case Studies from the Late Paleozoic of Central Europe

1
Museum of Natural History Chemnitz, Moritzstraße 20, D-09111 Chemnitz, Germany
2
Institute of Geology, TU Bergakademie Freiberg, Bernhard-von-Cotta-Straße 2, D-09599 Freiberg, Germany
3
Institute of Mineralogy, TU Bergakademie Freiberg, Brennhausgasse 14, D-09599 Freiberg, Germany
*
Author to whom correspondence should be addressed.
Minerals 2018, 8(10), 432; https://doi.org/10.3390/min8100432
Received: 5 July 2018 / Revised: 24 September 2018 / Accepted: 26 September 2018 / Published: 1 October 2018
(This article belongs to the Special Issue Mineralogy of Quartz and Silica Minerals)
  |  
PDF [11334 KB, uploaded 1 October 2018]
  |  

Abstract

The occurrence and formation of silicified wood from five late Paleozoic basins in Central Europe was investigated. Fossil wood from diverse geological settings was studied using field observations, taphonomic determinations as well as mineralogical analyses (polarizing microscopy, cathodoluminescence (CL) microscopy and spectroscopy). The results indicate that silicification is either a monophase or multiphase process under varying physico-chemical conditions. In particular, CL studies revealed complex processes of silica accumulation and crystallization. The CL characteristics of quartz phases in silicified wood can mostly be related to blue (390 and 440 nm), yellow (580 nm), and red (650 nm) emission bands, which may appear in different combinations and varying intensity ratios. Yellow CL is typical for initial silicification, reflecting quick precipitation under oxygen-deficient conditions caused by initial decay of the organic material. Blue CL is predominantly of secondary origin, resulting from replacement of precursor phases by a secondary hydrothermal quartz generation or subsequent silicification of wood. The red CL can be related to a lattice defect (non-bridging oxygen hole center—NBOHC). View Full-Text
Keywords: petrified wood; petrifaction; cathodoluminescence; quartz; environment petrified wood; petrifaction; cathodoluminescence; quartz; environment
Figures

Graphical abstract

This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited (CC BY 4.0).
SciFeed
Printed Edition Available!
A printed edition of this Special Issue is available here.

Share & Cite This Article

MDPI and ACS Style

Trümper, S.; Rößler, R.; Götze, J. Deciphering Silicification Pathways of Fossil Forests: Case Studies from the Late Paleozoic of Central Europe. Minerals 2018, 8, 432.

Show more citation formats Show less citations formats

Note that from the first issue of 2016, MDPI journals use article numbers instead of page numbers. See further details here.

Related Articles

Article Metrics

Article Access Statistics

1

Comments

[Return to top]
Minerals EISSN 2075-163X Published by MDPI AG, Basel, Switzerland RSS E-Mail Table of Contents Alert
Back to Top