1-20 OF 61 RESULTS FOR

chalcedony

Results shown limited to content with bounding coordinates.
Save search
Follow your search
Access your saved searches in your account
Would you like to receive an alert when new items match your search?
Close Modal
Sort by
Journal Article

In situ chemical and isotopic analyses and element mapping of multiple-generation pyrite: Evidence of episodic gold mobilization and deposition for the Qiucun epithermal gold deposit in Southeast China

Ying Ma, Shao-Yong Jiang, Hartwig E. Frimmel, Lü-Yun Zhu
Published: 01 June 2022
American Mineralogist (2022) 107 (6): 1133–1148.
DOI: https://doi.org/10.2138/am-2022-8030
FIGURES | View All (14)
PDF
Purchase
Add to Citation Manager
Journal Article

Hydrogeochemical characteristics and geothermometry of hot springs in the Altai region, Mongolia

Bolormaa Chimeddorj, Dolgormaa Munkhbat, Battushig Altanbaatar, Oyuntsetseg Dolgorjav, Bolormaa Oyuntsetseg
Published: 25 October 2021
Geochemistry: Exploration, Environment, Analysis (2021) 21 (4): geochem2021-016.
DOI: https://doi.org/10.1144/geochem2021-016
FIGURES | View All (7)
PDF
Add to Citation Manager
Journal Article

Textural Characteristics of Barren and Mineralized Colloform Quartz Bands at the Low-Sulfidation Epithermal Deposits of the Omu Camp in Hokkaido, Japan: Implications for Processes Resulting in Bonanza-Grade Precious Metal Enrichment

Lauren R. Zeeck, Thomas Monecke, T. James Reynolds, Erik R. Tharalson, Katharina Pfaff, Nigel M. Kelly, Quinton T. Hennigh
Journal: Economic Geology
Published: 01 March 2021
Economic Geology (2021) 116 (2): 407–425.
DOI: https://doi.org/10.5382/econgeo.4795
FIGURES | View All (12)
PDF
Purchase
Add to Citation Manager
Journal Article

Nuclear magnetic resonance characterization of porosity-preserving microcrystalline quartz coatings in Fontainebleau sandstones

Marta Henriques Jácomo, Ricardo Ivan Ferreira Trindade, Marsha French, Éverton Lucas-Oliveira, Elton Tadeu Montrazi, Tito José Bonagamba
Journal: AAPG Bulletin
Published: 15 September 2019
AAPG Bulletin (2019) 103 (9): 2117–2137.
DOI: https://doi.org/10.1306/01301918104
FIGURES | View All (9)
Purchase
Add to Citation Manager
Journal Article

Micro-structural phenomena in agate/chalcedony: spiral growth

Jens Götze, Harry Berek, Klaus Schäfer
Published: 01 April 2019
Mineralogical Magazine (2019) 83 (2): 281–291.
DOI: https://doi.org/10.1180/mgm.2018.156
FIGURES | View All (11)
PDF
Purchase
Add to Citation Manager
Journal Article

A re-examination of water in agate and its bearing on the agate genesis enigma

Terry Moxon
Published: 01 October 2017
Mineralogical Magazine (2017) 81 (5): 1223–1244.
DOI: https://doi.org/10.1180/minmag.2017.081.002
FIGURES | View All (4)
PDF
Purchase
Add to Citation Manager
Journal Article

Near infrared signature of opal and chalcedony as a proxy for their structure and formation conditions

Boris Chauviré, Benjamin Rondeau, Nicolas Mangold
Published: 01 June 2017
European Journal of Mineralogy (2017) 29 (3): 409–421.
DOI: https://doi.org/10.1127/ejm/2017/0029-2614
FIGURES | View All (6)
PDF
Purchase
Add to Citation Manager
Includes: Supplemental Content
Journal Article

Mineralogical and Geochemical Signatures of Silicified Wood from the Petrified Forest, New Cairo, Egypt

Kamaleldin M. Hassan
Published: 01 March 2017
The Canadian Mineralogist (2017) 55 (2): 317–332.
DOI: https://doi.org/10.3749/canmin.1600089
FIGURES | View All (6)
PDF
Purchase
Add to Citation Manager
Journal Article

First direct evidence for natural occurrence of colloidal silica in chalcedony-hosted vacuoles and implications for ore-forming processes

Vsevolod Yu. Prokofiev, Vadim S. Kamenetsky, Sofia L. Selektor, Thomas Rodemann, Vladimir A. Kovalenker, Sergey Z. Vatsadze
Journal: Geology
Published: 01 January 2017
Geology (2017) 45 (1): 71–74.
DOI: https://doi.org/10.1130/G38517.1
FIGURES | View All (4)
PDF
Purchase
Add to Citation Manager
Journal Article

Open versus closed mesogenetic systems in Cretaceous fluvial and tidal sandstones, Sirt Basin, Libya

Muftah Khalifa, Marta Gasparrini
Journal: GeoArabia
Publisher: Gulf Petrolink
Published: 01 October 2014
GeoArabia (2014) 19 (4): 113–140.
DOI: https://doi.org/10.2113/geoarabia1904113
FIGURES | View All (16)
PDF
Add to Citation Manager
Journal Article

Moganite detection in silica rocks using Raman and infrared spectroscopy

Patrick Schmidt, Ludovic Bellot-Gurlet, Vanessa Léa, Philippe Sciau
Published: 01 December 2013
European Journal of Mineralogy (2013) 25 (5): 797–805.
DOI: https://doi.org/10.1127/0935-1221/2013/0025-2274
FIGURES | View All (6)
PDF
Purchase
Add to Citation Manager
Journal Article

HYDROTHERMAL PALLADIUM ENRICHMENT IN PODIFORM CHROMITITES OF CALZADILLA DE LOS BARROS (SW IBERIAN PENINSULA)

Raul Merinero Palomares, Rosario Lunar Hernández, Lorena Ortega Menor, Rubén Piña García, Serafín Monterrubio Pérez, Fernando Gervilla Linares
Published: 01 June 2013
The Canadian Mineralogist (2013) 51 (3): 387–404.
DOI: https://doi.org/10.3749/canmin.51.3.387
FIGURES | View All (7)
PDF
Purchase
Add to Citation Manager
Journal Article

Characterization and genesis of horizontal banding in Brazilian agate: an X-ray diffraction, thermogravimetric and electron microprobe study

T. Moxon, C. M. Petrone, S. J. B. Reed
Published: 01 April 2013
Mineralogical Magazine (2013) 77 (3): 227–248.
DOI: https://doi.org/10.1180/minmag.2013.077.3.02
FIGURES | View All (6)
PDF
Purchase
Add to Citation Manager
Journal Article

Chalcedony vein horizons and clastic dikes in the White River Group as products of diagenetically driven deformation

Harmon Maher, Jr., Robert Shuster
Journal: Lithosphere
Publisher: GSW
Published: 01 June 2012
Lithosphere (2012) 4 (3): 167–186.
DOI: https://doi.org/10.1130/L187.1
FIGURES | View All (12)
PDF
Add to Citation Manager
Journal Article

Deleterious Reactions of Aggregate With Alkalis in Concrete

Maarten A.T.M. Broekmans
Published: 01 January 2012
Reviews in Mineralogy and Geochemistry (2012) 74 (1): 279–364.
DOI: https://doi.org/10.2138/rmg.2012.74.7
FIGURES | View All (12)
PDF
Purchase
Add to Citation Manager
Includes: Supplemental Content
Journal Article

U-Pb ages of ferberite, chalcedony, agate, ‘U-mica’ and pitchblende: constraints on the mineralization history of the Schwarzwald ore district

Katharina Pfaff, Rolf L. Romer, Gregor Markl
Published: 01 August 2009
European Journal of Mineralogy (2009) 21 (4): 817–836.
DOI: https://doi.org/10.1127/0935-1221/2009/0021-1944
FIGURES | View All (11)
PDF
Purchase
Add to Citation Manager
Journal Article

Factors affecting heat transfer in natural SiO 2 solids

Joy M. Branlund, Anne M. Hofmeister
Published: 01 October 2008
American Mineralogist (2008) 93 (10): 1620–1629.
DOI: https://doi.org/10.2138/am.2008.2821
FIGURES | View All (6)
PDF
Purchase
Add to Citation Manager
Journal Article

Cathodoluminescence of silicified trunks from the Permo-Carboniferous basins in eastern Bohemia, Czech Republic

Petra Matysová, Jaromír Leichmann, Tomáš Grygar, Ronny Rössler
Published: 01 April 2008
European Journal of Mineralogy (2008) 20 (2): 217–231.
DOI: https://doi.org/10.1127/0935-1221/2008/0020-1797
FIGURES | View All (5)
PDF
Purchase
Add to Citation Manager
Journal Article

Metamorphic effects on agate found near the Shap granite, Cumbria, England: as demonstrated by petrography, X-ray diffraction and spectroscopic methods

T. Moxon, S. J. B. Reed, M. Zhang
Published: 01 August 2007
Mineralogical Magazine (2007) 71 (4): 461–476.
DOI: https://doi.org/10.1180/minmag.2007.071.4.461
FIGURES | View All (8)
PDF
Purchase
Add to Citation Manager
Journal Article

Amethyst geodes in the basaltic flow from Triz quarry at Ametista do Sul (Rio Grande do Sul, Brazil): magmatic source of silica for the amethyst crystallizations

DOMINIQUE PROUST, CLAUDE FONTAINE
Published: 01 July 2007
Geological Magazine (2007) 144 (4): 731–739.
DOI: https://doi.org/10.1017/S0016756807003457
FIGURES | View All (4)
PDF
Purchase
Add to Citation Manager