Kirkman JH. 1981. Morphology and Structure of Halloysite in New Zealand Tephras. Clays and Clay Minerals 29:1-9.

Tsunashima A, Brindley GW, Bastovanov M. 1981. Adsorption of Uranium from Solution by Montmorillonite; Compositions and Properties of Uranyl Montmorillonites. Clays and Clay Minerals 29:10-16.

Rhoton FE, Smeck NE. 1981. Equilibration of Clays in Natural and Simulated Bottom-Sediment Environments. Clays and Clay Minerals 29:17-22.

Komusinski J, Stoch L, Dubiel SM. 1981. Application of Electron Paramagnetic Resonance and Mossbauer Spectroscopy in the Investigation of Kaolinite-group Minerals. Clays and Clay Minerals 29:23-30.

April RH. 1981. Trioctahedral Smectite an Interstratified Chlorite/Smectite in Jurassic Strata of the Connecticut Valley. Clays and Clay Minerals 29:31-39.

Cicel B, Machajdik D. 1981. Potassium and Ammonium-Treated Montmorillonites. I. Interstratified Structures with Ethylene Glycol and Water. Clays and Clay Minerals 29:40-46.

Machajdik D, Cicel B. 1981. Potassium and Ammonium-Treated Montmorillonites. II. Calculation of Characteristic Layer Charges. Clays and Clay Minerals 29:47-52.

Gerstl Z, Yaron B. 1981. Stability of Parathion on Attapulgite as Affected by Structural and Hydration Changes. Clays and Clay Minerals 29:53-59.

Burba JL, McAtee JL. 1981. Adsorption of Ethylene Glycol on Amine-Substituted Montmorillonites. Clays and Clay Minerals 29:60-66.

Brindley GW. 1981. Long-Spacing Organics for Calibrating Long Spacings of Interstratified Clay Minerals. Clays and Clay Minerals 29:67-68.

Papirer E. 1981. Unusual Application of Chrysotile Asbestos: The Elimination of Used Emulsions. Clays and Clay Minerals 29:69-70.

Lorprayoon V, R. A. Condrate S. 1981. Infrared Spectra of Sulfolane Adsorbed on Cation-Substituted Montmorillonites. Clays and Clay Minerals 39:71-71.

Cebula DJ, Ottewill RH. 1981. Neutron Diffraction Studies on Lithium Montmorillonite-Water Dispersions. Clays and Clay Minerals 29:73-75.

Hunt GR, Hall RB. 1981. Identification of Kaolins and Associated Minerals in Altered Volcanic Rocks by Infrared Spectroscopy. Clays and Clay Minerals 29:76-78.

Swanson TH, Bailey SW. 1981. Redetermination of the Lepidolite-2M Structure. Clays and Clay Minerals 29:81-90.

Fey MV, Dixon JB. 1981. Synthesis and Properties of Poorly Crystalline Hydrated Aluminous Goethites. Clays and Clay Minerals 29:91-100.

Lin F, Clemency CV. 1981. Dissolution Kinetics of Phlogopite. I. Closed System. Clays and Clay Minerals 29:101-106.

Clemency CV, Lin F. 1981. Dissolution Kinetics of Phlogopite. II. Open System Using an Ion-Exchange Resin. Clays and Clay Minerals 29:107-112.

Huff WD, Turkmenoglu AG. 1981. Chemical Characteristics and Origin of Ordovician K-Bentonites Along the Cincinnati Arch. Clays and Clay Minerals 29:113-123.

Henmi T, Tange K, Minagawa T, Yoshinaga N. 1981. Effect of SiO2/Al2O3 Ratio on the Thermal Reactions of Allophane. II. Infrared and X-ray Powder Diffraction Data. Clays and Clay Minerals 29:124-128.

Roberson HE, Lahann RW. 1981. Smectite to Illite Conversion Rates: Effects of Solution Chemistry. Clays and Clay Minerals 29:129-135.

Howard JJ. 1981. Lithium and Potassium Saturation of Illite/Smectite Clays from Interlaminated Shales and Sandstones. Clays and Clay Minerals 29:136-142.

Hermosin MC, Rodriguez JLP. 1981. Interaction of Chlordimeform with Clay Minerals. Clays and Clay Minerals 29:143-152.

Endo T, Mortland MM, Pinnavaia TJ. 1981. Properties of Silica-Intercalated Hectorite. Clays and Clay Minerals 29:153-156.

Cariati F, Erre L, Mecera G, Piu P, Gessa C. 1981. Water Molecules and Hydroxyl Groups in Montmorillonites as Studied by Near Infrared Spectroscopy. Clays and Clay Minerals 29:157-159.

Papirer E, Roland P. 1981. Grinding of chrysotile in Hydrocarbons, Alcohol, and Water. Clays and Clay Minerals 29:161-170.

Wirsching U. 1981. Experiments on the Hydrothermal Formation of Calcium Zeolites. Clays and Clay Minerals 29:171-183.

Gardner LR, Kheoruenromne I, Chien HS. 1981. Geochemistry and Mineralogy of an Unusual Diabase Saprolite Near Columbia, South Carolina. Clays and Clay Minerals 29:184-190.

Aochi Y, Farmer WJ. 1981. Infrared Spectroscopy of Picloram Interactions with Al(III)-, Fe(III), and Cu(II) Saturated and Hydrous Oxide-Coated Montmorillonite. Clays and Clay Minerals 29:191-197.

Keren R, Mezuman U. 1981. Boron Adsorption by Clay Minerals Using a Phenomenological Equation. Clays and Clay Minerals 29:198-204.

Narine DR, Guy RD. 1981. Interactions of Some Large Organic Cations with Bentonite in Dilute Aqueous Systems. Clays and Clay Minerals 29:205-212.

Maksimovic Z, White JL, Logar M. 1981. Chromium-Bearing Dickite and Chromium-Bearing Kaolinite from Teslic, Yugoslavia. Clays and Clay Minerals 29:213-218.

Oscarson DW, Huang PM, Liaw WK. 1981. Role of Manganese in the Oxidation of Arsenite by Freshwater Lake Sediments. Clays and Clay Minerals 29:219-225.

Heller-Kallai L, Rozenson I. 1981. Mossbauer Studies of Palygorskite and Some Aspects of Palygorskite Mineralogy. Clays and Clay Minerals 29:226-232.

Tompkins RE. 1981. Scanning Electron Microscopy of a Regular Chlorite/Smectite (Corrensite) from a Hydrocarbon Reservoir Sandstone. Clays and Clay Minerals 29:233-235.

Nishiyama T, Shimoda S. 1981. Ca-Bearing Rectorite from Tooho Mine, Japan. Clays and Clay Minerals 29:236-240.

Cebula DJ, Thomas RK, White JW. 1981. Diffusion of Water in Li-Montmorillonite Studied by Quasielastic Neutron Scattering. Clays and Clay Minerals 29:241-248.

Nadeau PH, R. C. Reynolds J. 1981. Burial and Contact Metamorphism in the Mancos Shale. Clays and Clay Minerals 29:249-259.

Chourabi B, Fripiat JJ. 1981. Determination of Tetrahedral Substitutions and Interlayer Surface Heterogeneity from Vibrational Spectra of Ammonium in Smectites. Clays and Clay Minerals 29:260-268.

Sidhu PS, Gilkes RJ, Cornell RM, Posner AM, Quirk JP. 1981. Dissolution of Iron Oxides and Oxyhydroxides in Hydrochloric and Perchloric Acids. Clays and Clay Minerals 29:269-276.

Curtin D, Smillie GW. 1981. Composition and Origin of Smectite in Soils Derived from Basaltin Northern Ireland. Clays and Clay Minerals 29:277-284.

Siffert B, Trescol JJ. 1981. Adsorption of Alkylphosphoric Acid on Kaolinite and Smectite in an Organic Medium (Decane). Clays and Clay Minerals 29:285-293.

Kato C, Kuroda K, Takahara H. 1981. Preparation and Electrical Properties of Quaternary Ammonium Montmorillonite-Polystyrene Complexes. Clays and Clay Minerals 29:294-298.

Komarneni S, White WB. 1981. Hydrothermal Reactions of Clay Minerals and Shales with Cesium Phases from Spent Fuel Elements. Clays and Clay Minerals 29:299-308.

Eslinger EV, Yeh H. 1981. Mineralogy, O18/O16, and D/H Ratios of Clay Rich Sediments from Deep Sea Drilling Project Site 180, Aleutian Trench. Clays and Clay Minerals 29:309-315.

Adams JM, Hewat AW. 1981. Hydrogen Atom Positions in Dickite. Clays and Clay Minerals 29:316-319.

Sheppard RA, Mumpton FA. 1981. Zeolites from Sedimentary Rocks. Clays and Clay Minerals 29:321-322.

Dibble WE, Tiller WA. 1981. Kinetic Model of Zeolite Paragenesis in Tuffaceous Sediments. Clays and Clay Minerals 29:323-330.

Hawkins DB. 1981. Kinetics of Glass Dissolution and Zeolite Formation under Hydrothermal Conditions. Clays and Clay Minerals 29:331-340.

Taylor MW, Surdam RC. 1981. Zeolite Reactions in the Tuffaceous Sediments at Teels Marsh, Nevada. Clays and Clay Minerals 29:341-352.

McCulloh TH, V. A. Frizzell J, Stewart RJ, Barnes I. 1981. Precipitation of Laumontite with Quartz, Thenardite, and Gypsum at Sespe Hot Springs, Western Transverse Ranges, California. Clays and Clay Minerals 29:353-364.

Ratterman NG, Surdam RC. 1981. Zeolite Mineral Reactions in a Tuff in the Laney Member of the Green River Formation, Wyoming. Clays and Clay Minerals 29:365-377.

A. J. Gude r, Sheppard RA. 1981. Woolly Erionite from the Reese River Zeolite Deposit, Lander County, Nevada, and its Relationship to other Erionites. Clays and Clay Minerals 29:378-384.

Moncure GK, Surdam RC, McKague HL. 1981. Zeolite Diagenesis Below Pahute Mesa, Nevada Test Site. Clays and Clay Minerals 29:385-396.

Shibue Y. 1981. Cation-Exchange Reactions of Siliceous and Aluminous Phillipsites. Clays and Clay Minerals 29:397-402.

Knowlton GD, White TR, McKague HL. 1981. Thermal Study of Types of Water Associated With Clinoptilolite. Clays and Clay Minerals 29:403-411.

Lockhart NC. 1981. Surface Characteristics of Kaolinitic Clays and Clay-Humic Acid Complexes by Potentiometric and Conductometric Titrations. Clays and Clay Minerals 29:413-422.

Lockhart NC. 1981. Electrical Conductivity and the Surface Characteristics of Kaolinitic Clays and Clay-Humic Acid Complexes. Clays and Clay Minerals 29:423-428.

Iyengar SS, Zelazny LW, Martens DC. 1981. Effect of Photolytic Oxalate Treatment on Soil Hydroxy-Interlayered Vermiculites. Clays and Clay Minerals 29:429-434.

Hill RJ. 1981. Hydrogen Atoms in Boehmite: A Single Crystal X-Ray Diffraction and Molecular Orbital Study. Clays and Clay Minerals 29:435-445.

Kimpe CRD, Kodama H, Rivard R. 1981. Hydrothermal Formation of a Kaolinite-Like Product from Noncrystalline Aluminosilicate Gels. Clays and Clay Minerals 29:446-450.

Hanson RF, Zamora R, Keller WD. 1981. Nacrite, Dickite, and Kaolinite in one Deposit in Nayarit, Mexico. Clays and Clay Minerals 29:451-453.

Singer A, Stoffers P. 1981. Hydrothermal Vermiculite from the Atlantis II Deep, Red Sea. Clays and Clay Minerals 29:454-458.