A combined polarizing microscope, XRD, SEM, and specific gravity study of the petrified woods of volcanic origin from the Çamlıdere-Çeltikçi-Güdül fossil forest, in Ankara, Turkey.

[1]  M. Philippe,et al.  A key to morphogenera used for Mesozoic conifer-like woods , 2008 .

[2]  A. Iglesias,et al.  Structure of a corystosperm fossil forest from the Late Triassic of Argentina , 2007 .

[3]  A. Barreau,et al.  The nanostructure of fire opal , 2006 .

[4]  R. Roessler,et al.  Sphenopsids of the Permian (I): The largest known anatomically preserved calamite, an exceptional find from the petrified forest of Chemnitz, Germany , 2006 .

[5]  E. Wheeler,et al.  Upper Cretaceous¿Paleocene conifer woods from Big Bend National Park, Texas , 2005 .

[6]  M. Philippe,et al.  CONIFEROUS FOSSIL WOODS FROM THE JOGYERI FORMATION (UPPER TRIASSIC) OF THE NAMPO GROUP, KOREA , 2005 .

[7]  T. Furuno,et al.  Rapid wood silicification in hot spring water: an explanation of silicification of wood during the Earth's history , 2004 .

[8]  K. Campbell,et al.  Diagenetic transformations (opal-A to quartz) of low- and mid-temperature microbial textures in siliceous hot-spring deposits, Taupo Volcanic Zone, New Zealand , 2003 .

[9]  T. Jones,et al.  Late Triassic charcoal from Petrified Forest National Park, Arizona, USA , 2002 .

[10]  John P. Pretola.  A feasibility study using silica polymorph ratios for sourcing chert and chalcedony lithic materials , 2001 .

[11]  G. Cressey,et al.  The occurrence, detection and significance of moganite (SiO2) among some silica sinters , 2001, Mineralogical Magazine.

[12]  M. L. Süzen,et al.  Lacustrine mineral facies and implications for estimation of palaeoenvironmental parameters: Neogene intervolcanic Pelitçik Basin (Galatean Volcanic Province), Turkey , 2000, Clay Minerals.

[13]  A. Gevrek.  Water/rock interaction in the Kızılcahamam Geothermal Field, Galatian Volcanic Province (Turkey): a modelling study of a geothermal system for reinjection well locations , 2000 .

[14]  M. Wilson,et al.  Geochemistry and tectonic setting of Tertiary volcanism in the Güvem area, Anatolia, Turkey , 1998 .

[15]  J. Götze,et al.  Occurrence and distribution of “moganite” in agate/chalcedony: a combined micro-Raman, Rietveld, and cathodoluminescence study , 1998 .

[16]  H. Beeckman,et al.  Identification of a fossil wood specimen in the Red Sandstone Group of southwestern Tanzania: Stratigraphical and tectonic implications , 1998 .

[17]  V. Murashov,et al.  QUARTZ FAMILY OF SILICA POLYMORPHS : COMPARATIVE SIMULATION STUDY OF QUARTZ, MOGANITE, AND ORTHORHOMBIC SILICA, AND THEIR PHASE TRANSFORMATIONS , 1998 .

[18]  Deane K. Smith,et al.  Opal, cristobalite, and tridymite: Noncrystallinity versus crystallinity, nomenclature of the silica minerals and bibliography , 1998, Powder Diffraction.

[19]  H. Wenk,et al.  Microfibrous quartz varieties: characterization by quantitative X-ray texture analysis and transmission electron microscopy , 1998 .

[20]  M. Wilson,et al.  Tertiary volcanism of the Galatia province, north-west Central Anatolia, Turkey , 1997 .

[21]  Deane K. Smith.  Evaluation of the detectability and quantification of respirable crystalline silica by X-ray powder diffraction methods , 1997, Powder Diffraction.

[22]  V. Toprak,et al.  Structure of the Galatean Volcanic Province, Turkey , 1996 .

[23]  S. Rice,et al.  Tem and X-Ray Diffraction Evidence for Cristobalite and Tridymite Stacking Sequences in Opal , 1996 .

[24]  R. Reynolds,et al.  Modeling the X-ray diffraction pattern of opal-CT , 1995 .

[25]  H. Graetsch.  Structural characteristics of opaline and microcrystalline silica minerals , 1994 .

[26]  H. Gies,et al.  NMR, XRD and IR study on microcrystalline opals , 1994 .

[27]  P. Heaney.  A proposed mechanism for the growth of chalcedony , 1993 .

[28]  G. Miehe,et al.  Crystal structure of moganite; a new structure type for silica , 1992 .

[29]  R. Fairbanks,et al.  Early and Middle Miocene stable isotopes: Implications for Deepwater circulation and climate , 1992 .

[30]  P. Heaney,et al.  The Widespread Distribution of a Novel Silica Polymorph in Microcrystalline Quartz Varieties , 1992, Science.

[31]  Ruth E. Norton,et al.  Identifying Wood: Accurate Results With Simple Tools , 1990 .

[32]  C. Frondel.  Systematic compositional zoning in the quartz fibers of agates , 1985 .

[33]  E. Segnit,et al.  Petrifaction of wood by silica minerals , 1984 .

[34]  G. Miehe,et al.  Crystal structure and growth fabric of length-fast chalcedony , 1984 .

[35]  O. W. Floke.  Moganite, a new microcrystalline silica mineral , 1984 .

[36]  J. Keene.  Chalcedonic quartz and occurrence of quartzine (length‐slow chalcedony) in pelagic sediments , 1983 .

[37]  Frank W. Hankins,et al.  Identification of modern and tertiary woods , 1982 .

[38]  Baki Kasaplıgil.  Ankara Kızılcahamam yakınındaki Güvem köyü civarında bulunan Son Tersiyer kozalaklı-yeşil yapraklı ormanı , 1977 .

[39]  U. Rad,et al.  Intergrowth and twinning in opal-CT lepispheres , 1976 .

[40]  J. B. Jones,et al.  The nature of opal I. nomenclature and constituent phases , 1971 .

[41]  Konrad B. Krauskopf,et al.  Introduction to geochemistry , 1967 .

[42]  J. V. Smith.  Index (organic) to the powder diffraction file , 1965 .

[43]  H. E. Hawkes,et al.  Geochemistry in Mineral Exploration , 1962 .