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Vanadium-Titanium-Bearing Mixed-Layered Clay from Potash Sulphur Springs, Arkansas

Published online by Cambridge University Press:  01 July 2024

George R. McCormick
George R. McCormick*
Affiliation:
Department of Geology, The University of Iowa, Iowa City, IA 52242, U.S.A.
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Abstract

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A unique vanadium-titanium-bearing mixed-layered clay is currently being mined as an ore of vanadium at Potash Sulphur Springs, AR. The clay contains 80% expandable portion and has both a 14.22 and 18.24 Å hydration state in addition to the 9.49 Å dehydrated state; ethylene glycol expands this material to 16.69 Å. The 060 reflection for all hydration states is between 1.50 and 1.51 Å indicating the material is dioctahedral. The “mean chemical formula” calculates as(Ca0.08 K0.02 Na0.03)0.13 (Al0.11 V0.90 Ti0.19 Fe0.64 Mg0.14)1.98 (Si3.79 Al0.21)4 O10 (OH)2·nH2O.

Резюме

Резюме

Уникальная ванадий-титаносная смешанно-слойная глина в настоящее время добывается в качестве руды ванадия на месторождении Поташ Сульфа Спрингс, Ap. Глина включает 80% расширяемой части и имеет гидратные состояния 14,22 и 18,24Å в дополнение к дегидратному состоянию 9,49Å. Этиленгли-коль расширяет этот материал до 16,69Å. Отражение 060 для всех гидратных состояний находится между 1,50 и 1,51Å, указывая, что материал является ди-октаэдрическим. “Средняя химическая формула” вычислена в виде(Ca0.08 K0.02 Na0.03)0.13 (Al0.11 V0.90 Ti0.19 Fe0.64 Mg0.14)1.98 (Si3.79 Al0.21)4 O10 (OH)2·nH2O.

Kurzreferat

Kurzreferat

Ein einmaliger, Vanadin-Titan haltiger, gemischt-Schicht Ton wird im Augenblick als Vanadinerz in Potash Sulphur Springs, Ar. abgebaut. Der Ton besteht zu 80% aus schwellbarem Teil, und hat nicht nur einen 14,22A und einen 18,24A Hydratationszustand, sondern auch einen 9,49 A Dehydratationszustand. Athylenglykol expandiert dieses Material bis auf 16,69A. Die 060 Reflektion für alle Hydratationszustände ist zwischen 1,50 A und 1,51A, was andeutet,daß das Material dioktahedrisch ist. Die durchschnittliche chemische Formel wurde ausgerechnet als:(Ca0.08 K0.02 Na0.03)0.13 (Al0.11 V0.90 Ti0.19 Fe0.64 Mg0.14)1.98 (Si3.79 Al0.21)4 O10 (OH)2·nH2O.

Keywords

Mixed-layerTitaniumVanadium
Type
Research Article
Information
Clays and Clay Minerals , Volume 26 , Issue 2 , April 1978 , pp. 93 - 100
Copyright
Copyright © 1978, The Clay Minerals Society

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