Recent Publications


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1998          Zhai, Xiaoming, Day, Howard W., Hacker, Bradley R., and You, Zhendong.  Paleozoic Metamorphism in the Qinling Orogen, Tongbai Mountains, Central China.  Geology, v. 26, p. 371 -374.


1999          Schiffman, P and Day, Howard W. Petrological methods for the study of very low grade metabasites in Frey, M and Robinson, D. (editors), Very Low Grade Metamorphism, Blackwell Scientific.


2000          Mayfield, Jason D. and Day, Howard W.  Ultramafic Rocks in the Feather River Belt, Northern Sierra Nevada, California,  in Brooks, E.R. and Dida, L.T., editors, Field Guide to the Geology and Tectonics of the Northern Sierra Nevada.  California Department of Conservation, Division of Mines and Gelogy, Special Publication 122, pp. 1-15.


2001          Fagan, T.J., Day, Howard W., and Hacker, B.R. Timing of arc construction and metamorphism in the Slate Creek Complex, northern Sierra Nevada, California.  Geological Society of America Bulletin, v. 113, p. 1105-1118.


2002          Springer, R. K. and Day, Howard W.  Hydrothermal amphibole in sub-greenschist facies mafic rocks, western Sierra Nevada, California. Schweizerische Mineralogische und Petrographische Mitteilungen, v. 82, p. 341-354.


2004          Day, Howard W., and Bickford, M. E..  Geochronologic and isotopic constraints on the tectonic setting of the Jurassic Smartville and Slate Creek Complexes, northern Sierra Nevada, California.  Geological Society of America Bulletin, v. 116, no.11/12, p. 1515-1528.


2005          Day, Howard W. and Springer, R. K. First appearance of actinolite in the prehnite-pumpellyite facies, Sierra Nevada, California. Canadian Mineralogist, v. 43, pt 1, p. 89-104.


2005          Pan, X., Day, Howard W., Wang, W., Beckett, L. A. and Schenker, M. B. Residential proximity to naturally occurring asbestos and mesothelioma risk in California.  American Journal of Respiratory and Critical Care Medicine, v. 172(8), p.1019-1025.


2007          Day, H. W. and Mulcahy, S. R.  Excess silica in omphacite and the formation of free silica in eclogite.  Journal of Metamorphic Geology, v. 25, p. 37 - 50.


Selected Other Publications


1972          Day, Howard W.  Geometrical analysis of phase equilibria in Ternary systems of six phases.  American Journal of Science. 272:711-734.


1980          Day, Howard W. and H. Kumin.  Thermodynamic analysis of the aluminum silicate triple point.  American Journal of Science.  280:265-287.


1980          Day, Howard W. and V.M. Brown.  Evolution of perthite composition and microstructure during progressive metamorphism of hypersolvus granite, Rhode Island, U.S.A.  Contributions to Mineralogy and Petrology.  72:353-365.


1982          Day, Howard W. and Philip M. Fenn.  Estimating the P-T-XH2O conditions during crystallization of low calcium granites.  Journal of Geology 90:485-507.


1985          Day, H.W., J.V. Chernosky, and H.J. Kumin.  Equilibria in the system MgO-SiO2-H2O:  A thermodynamic analysis.  American Mineralogist, 70: 237-248.


1985          Day, Howard W., Moores, E.M. and Tuminas, A.C.  Structure and tectonics of the Northern Sierra Nevada.  Geological Society of American Bulletin, 96:436-450.


1987          Day, Howard W.  Controls on the apparent thermal and baric structure of metamorphic belts.  Journal of Geology, 95,  807-824.


1987          Beard, James S. and Day, H.W.  The Smartville intrusive complex, northern Sierra Nevada, California:  The core of a rifted volcanic arc.  Geological Society of America Bulletin, 99, 779-791.


1989          Day, Howard W. and Chamberlain, C.P. Implications of thermal and baric structure for controls on metamorphism: northern New England, U.S.A., in Daly,J.S., Cliff, R.A. and Yardley,B.W.D.(eds) Evolution of Metamorphic Belts. Geological Society (London) Special Publication 43, 215-222.


1989          Edelman, S. H., Day, H. W., Moores, E. M., Zigan, S.M., Murphy, T.P., and Hacker, B.R., Structure across a Mesozoic Ocean-Continent suture zone in the northern Sierra Nevada, California.  Geological Society of America Special Paper 224, 55 p.


1989          Patrick, B. E. and Day, H. W., Controls on the first appearance of jadeitic pyroxene, northern Diablo range, California.  Journal of Metamorphic Geology,  7, 629-639.


1991          Giaramita, Mario J. and Day, Howard W. Buffering in the assemblage staurolite - aluminum silicate - biotite - garnet- chlorite.  Journal of Metamorphic Geology, 9, 363-378.


1992          Springer, R.K. and Day, Howard W. and Beiersdorfer, R. E. Prehnite-Pumpellyite to Greenschist Facies transition, northern Sierra Nevada, California.  Journal of Metmorphic Geology, 10, 147-170.


1995          Beiersdorfer, R. E. and Day, Howard W.  Paragenesis of Pumpellyite in Low-Grade Mafic Rocks, in Schiffman, P. and Day, H. W., eds., Low -Grade Metamorphism of Mafic Rocks. Boulder, Colorado,Geological Society of America Special Paper 296, 5-28.


1995          Bršcker, Michael and Day, Howard W.  Low-grade Blueschist Metamorphism in Metagraywackes, Eastern Franciscan Belt, Northern California. Journal of Metamorphic Geology, 13, 61-78.


1997          Fagan, T. J. and Day, Howard W.  Formation of amphibole after clinopyroxene by dehydration reactions: Implications for pseudomorphic replacement and mass fluxes.  Geology, v. 25, p 395-398.


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