30195. McBirney, A. R.   Relations of Oceanic Volcanic Rocks to Mid-Oceanic Rises and Heat Flow.   North-Holland Publishing Company, 1967, Earth and Planetary Science Letters, 2 : 265-276.   Reprint, stapled text with usual signs of use and age, text with underlining in good condition.    $3.00

30194. Aumento, F.   Magmatic Evolution of the Mid-Atlantic Ridge.   North-Holland Publishing Company, 1967, Earth and Planetary Science Letters, 2 (3) : 225-230, 1 figure.   Reprint, printed wraps with minor signs of use and age, text with some underlining in good condition.    $3.00

22725. Ringwood, A. E. and Reid, A. F.   High Pressure Polymorphs of Olivines: The K2NiF4 Type.   North-Holland Publishing Company, 1968, Earth and Planetary Science Letters, 5 : 67-70.   Off-print, usual signs of use and age discoloration, very good condition.    $1.00

20727. Oversby, V. M. and Gast, P. W.   Lead Isotope Compositions and Uranium Decay Series Disequilibrium in Recent Volcanic Rocks.   North-Holland Publishing Company, 1968, Earth and Planetary Science Letters, 5 : 199-206, 6 tables.   Reprint, signs of use and age discoloration, good condition.    $2.00

20725. Davis, G. L. et al.   Some Effects of Contact Metamorphism on Zircon Ages.   North-Holland Publishing Company, 1968, Earth and Planetary Science Letters, 5 (1) : 27-34, 3 figures and 4 tables.   Reprint, printed wraps, signs of use and age discoloration, good plus or better condition.    $3.00

30197. Brett, R. and Bell, P. M.   Melting Relations in the Fe-Rich Portion of the System Fe-FeS at 30 kb Pressure.   North-Holland Publishing Company, 1969, Earth and Planetary Science Letters, 6 (6) : 479-482.   Reprint, printed wraps with signs of use and age, still a good study copy in fair condition.    $2.00

22724. Ringwood, A. E.   Phase Transformations in the Mantle.   North-Holland Publishing Company, 1969, Earth and Planetary Science Letters, 5 (6) : 401-412.   Printed wraps, minor signs of use and age discoloration, very good condition.    $4.00

89489. Watkins, N. D. et al.   Variation of magnetic properties in a single deep-sea pillow basalt.   North-Holland Publishing Company, Amsterdam, 1970, Earth and Planetary Science Letters, Volume 8, Number 4 : pages 322-328 with 3 figures.   Softbound, previous owners name, very good condition.    $6.00

30198. Salomons, W.   Isotope Fractionation Between Galena and Pyrite and Between Pyrite and Elemental Sulfur.   North-Holland Publishing Company, 1971, Earth and Planetary Science Letters, 11 (3) : 236-238, 2 tables.   Reprint, printed wraps with minor signs of use and age, text in very good condition.    $3.00

30199. Huang, W. L. and Wyllie, P. J.   Muscovite Dehydration and Melting in Deep Crust and Subducted Oceanic Sediments.   North-Holland Publishing Company, 1973, Earth and Planetary Science Letters, 18 (1) : 133-136, 2 figures.   Reprint, printed wraps with signs of use and age, text in good condition.    $3.00

86462. Editor.   Special Issue. Trace Elements in Igneous Petrology: A Volume in Memory of Paul W. Gast.   Elsevier, 1979, Earth and Planetary Science Letters, Volume 38, Number 1 :.   Softbound, minor signs of use, text in very good condition.    $100.00