Submitted / under revision

Koepke, J., Botcharnikov, R.E., and Natland, J.H. (----) Crystallization of late-stage MORB under varying water activities and redox conditions: Implications for the formation of highly evolved lavas and oxide gabbro in the ocean crust. Lithos (submitted).

Wang, M., Deng, J., Hou, T., Derrey, I., Botcharnikov, R.E., Liu, X., Zhang, C., Qi, D., and Holtz, F. (----) Experimental evidence for a protracted enrichment of tungsten in evolved granitic melts: Implications for scheelite mineralization. Minerallium Deposita (submitted).

Hughes, E., Buse, B., Kearns, S.L., Blundy, J.D., Kilgour, G., Mader, H.M., Brooker, R.A., Balzer, R.,  Botcharnikov, R.E., Di Genova, D., Almeev, R.R., and Riker, J.M. (----) High spatial resolution iron oxidation state of silicate glasses using electron microprobe. American Mineralogist (submitted).

Mollex, G., France, L., Bonnet, R., Botcharnikov, R.E., Wilke S., Deloule, E. (----) Magma composition and architecture of the active deep plumbing system at Oldoinyo Lengai carbonatite volcano, Tanzania. Earth and Planetary Science Letters, (submitted).

Zhang, C., Almeev, R.R., Hughes, E., Borisov, A.A., Wolff, E.P., Höfer, H.E., Botcharnikov, R.E., and Koepke, J. (----) Electron microprobe technique for the determination of iron oxidation state in silicate glasses. American Mineralogist (under revision)

Benard, A., Klimm, K., Woodland, A.B., Arculus, R.J., Wilke, M., Botcharnikov, R.E., Shimizu, N., Nebel, O., Rivard, C., and Ionov, D.A. (----) Oxidizing slab-derived agents in the sub-arc mantle melts: The missing link between slab devolatilization and arc lavas. Nature Communications, (under revision).

Savelyev, D.P., Kamenetsky, V.S., Danyushevsky, L.V., Botcharnikov, R.E., Kamenetsky, M.B., Park, J.-W., Portnyagin, M.V., Olin, P., Krasheninnikov, S.P., and Zelenski, M.E. (2018) Immiscible sulfide melts in primitive oceanic magmas: evidence and implications from the Cretaceous picrites (eastern Kamchatka, Russia). American Mineralogist (in press), doi : 10.2138/am-2018-6352.

Ciazela, J., Koepke, J., Dick, H., Botcharnikov, R., Muszynski, A., Lazarov, M., Schuth, S., Pieterek, B., and Kuhn, T. (2018) Sulfide enrichment at an oceanic crust-mantle transition zone: Kane Megamullion (23°N, MAR). Geochim. Cosmochim. Acta, (in press).

Cottrell, L., Lanzirotti, A., Mysen, B., Birner, S., Kelley, K.A., Botcharnikov, R.E., Newville, M., Davis, F.A. (2018) A Mössbauer-based XANES calibration for hydrous basalt glasses reveals radiation-induced oxidation of Fe. American Mineralogist (in press), doi: 10.2138/am-2018-6268.

Shishkina, T., Portnyagin, M., Botcharnikov, R.E., Almeev, R., Simonyan, A., Garbe-Schönberg, D., Schuth, S., Oeser, M. and Holtz, F. (2018) Experimental calibration and implications of olivine-melt vanadium oxybarometry for hydrous basaltic arc magmas. American Mineralogist, v.103, 369-383,

Ciazela, J., Dick, H., Koepke, J., Pieterek, B., Muszynski, A., Botcharnikov, R., and Kuhn, T. (2017) Thin crust and exposed mantle control sulfide differentiation in slow-spreading ridge magmas. Geology, 45 (10): 935-938.

Sato, H., Holtz, F., Botcharnikov, R.E., Nakada, S. (2017) Intermittent generation of mafic enclaves in the 1991–1995 dacite of Unzen Volcano recorded in mineral chemistry. Contrib. Mineral. Petrol., 172: 22.

Fonseca, R., Kirchenbaur, M., Ballhaus, C., Münker, C., Zirner, A., Gerdes, A., Heuser, A., Botcharnikov, R., Lenting, C. (2017) Fingerprinting fluid sources in Troodos ophiolite complex orbicular glasses using high spatial resolution isotope and trace element geochemistry. Geochim. Cosmochim. Acta, 200: 145-166.

Derrey, I.T., Albrecht, M., Dupliy, E., Botcharnikov, R.E., Horn, I., Weyer, S., and Holtz, F. (2017) Determination of scheelite and molybdenite solubility in aqueous fluids from synthetic fluid inclusions: experimental tests on achieving equilibrium at 800 °C and 2 kbar. American Mineralogist , 102: 275-283.

Beermann, O., Botcharnikov, R.E., and Nowak, M. (2015) Partitioning of sulfur and chlorine between aqueous fluid and basaltic melt at pressures of 100 and 200 MPa and a temperature of 1050°C. Chemical Geology, 418, 132-157.
Botcharnikov R.E., Holtz F., and Behrens H. (2015) Solubility and fluid-melt partitioning of H2O and Cl in andesitic magmas as a function of pressure between 50 to 500 MPa. Chemical Geology, 418, 117-131.

Fanara, S., Botcharnikov, R.E., Palladino, D.M., Adams, F., Buddensiek, J., Mulch, A., and Behrens, H. (2015).Volatiles in magmas related to the Campanian Ignimbrite eruption: experiments vs. natural findings. American Mineralogist, 100, 2284-2297.

Mironov, N., Portnyagin, M., Botcharnikov, R., Gurenko, A., Hoernle, K., and Holtz, F. (2015) Quantification of the CO2 budget and H2O–CO2 systematics in subduction-zone magmas through the experimental hydration of melt inclusions in olivine at high H2O pressure. Earth and Planetary Science Letters, 425: 1-11.

Ricker, J., Blundy, J.D., Rust, A.C., Botcharnikov, R.E., Humphreys, M.C.S. (2015) Experimental phase equilibria of a Mount St. Helens rhyodacite: A framework for interpreting crystallization paths in degassing silicic magmas. Contrib. Mineral. Petrol. 170: 1-22.

Webster, J., Vetere, F., Botcharnikov, R.E., Goldoff, B., Behrens, H., McBirney, A., and Doherty, A.L. (2015) Experimental and modeled chlorine solubilities in aluminosilicate melts at 1 to 7000 bars and 700 to 1250°C: Applications to magmas of Augustine volcano, Alaska. American Mineralogist 100: 522-535.

Shishkina, T., Botcharnikov, R.E., Holtz, F., Almeev, R., Jazwa, A., Jakubiak, A. (2014) Compositional and pressure effects on the solubility of H2O and CO2 in mafic melts. Chemical Geology 388: 112-129.

Vetere, F., Holtz, F., Behrens, H., Botcharnikov, R.E., and Fanara, S. (2014) The effect of alkalis and polymerization on the solubility of H2O and CO2 in alkali-rich silicate melts. Contrib. Mineral. Petrol. 167: 1014.

de Moor, J.M., T.P Fischer, Z.D. Sharp, P.L. King, M. Wilke, R.E. Botcharnikov, E. Cottrell, M.   Zelenski, B. Marty, K. Klimm, C. Rivard, D. Ayalew, C. Ramirez, K. A. Kelley (2013). Sulfur degassing at Erta Ale (Ethiopia) and Masaya (Nicaragua) volcanoes: Implications for the degassing processes and oxygen fugacities of basaltic systems. Geochemistry, Geophysics, Geosystems 14: 4076-4108.

Botcharnikov, R.E., Holtz, F., Mungall, J.E., Beermann, O., Linnen, R.L., and Garbe-Schönberg, D. (2013). Behavior of gold in a magma at sulfide-sulfate transition: Revisited. Am. Mineralogist 98, 1459-1464.

Friese, K.-I., Cichy, S.B., Wolter, F.-E. and Botcharnikov, R.E. (2013). Analysis of tomographic mineralogical data using YaDiV - Overview and practical case study. Comp. Geosc. 56, 92-103.

de Moor, M.J, Fischer, T.P., King, P.L., Botcharnikov, R.E., Hervig, R., Hilton, D., Barry, P.,  Mangasini, F., Ramirez, C. (2013). Extremely volatile-rich silicate melts from Oldoinyo Lengai volcano (Tanzania): Implications for carbonatite genesis and eruptive behavior. EPSL 361, 379-390.

Portnyagin, M., Hoernle, K., Storm, S., Mironov, M., van den Bogaard, C., Botcharnikov, R.E. (2012). H2O-rich melt inclusions in fayalitic olivine from Hekla volcano: Implications for phase relationships in silicic systems and driving forces of explosive volcanism on Iceland. Earth and Planetary Science Letters, 357-358, 337-346.

Klimm, K., Kohn, S.C., Botcharnikov, R.E. (2012) The dissolution mechanism of sulfur in silicate melts. II: Solubility and speciation of sulfur in hydrous silicate melts as a function of fO2. Chem. Geology, 322-323, 250-267.

Klimm, K., Kohn, S.C., O’Dell, L.A., Botcharnikov, R.E., and Smith, M.E. (2012) The dissolution mechanism of sulfur in silicate melts: I. Assessment of analytical techniques in determining the sulfur speciation. Chemical Geology, 322-323, 237-249.

Witham, F., Blundy, J., Kohn, S.C., Lesne, P., Dixon, J., Churakov, S., and Botcharnikov, R.E. (2012) SolEx: A model for mixed COHSCl-fluid solubilities and exsolved gas compositions in basalt. Computers and Geosciences. 45, 87-97.

Botcharnikov, R.E., Linnen, R.L., Wilke, M., Holtz, F., Jugo, P.J. and Berndt, J. (2011) High gold concentration in sulphide-bearing magma at oxidizing conditions. Nature Geoscience, 4, 112-115.

Beermann, O., Botcharnikov, R.E., Holtz, F., Diedrich, O., Nowak, M. (2011) Temperature dependence of sulfide and sulfate solubility in olivine-saturated basaltic magmas. Geochim. Cosmochim. Acta 75, 7612–7631.

Lesne, P., Kohn, S.C, Blundy, J., Witham, F., Botcharnikov, R.E., and Behrens, B. (2011) Experimental simulation of closed-system degassing in the system basalt–H2O–CO2–S–Cl. Journal of Petrology. 52, 1737-1762.

Nowak, M., Cichy, S.B., Botcharnikov R.E., Walker, N., and Hurkuck, W. (2011) A new type of high pressure low-flow metering valve for experiments at continuous decompression: First experimental results for magmatic systems. Am. Mineralogist 96, 1373-1380.

Cichy, S.B., Botcharnikov R.E., F. Holtz, and H. Behrens (2011) Vesiculation and microlite crystallization in the ascending rhyodacitic magma during the 1991-1995 eruption of Unzen volcano, Japan. Journal of Petrology. 52, 1469-1492.

Vetere, F., Botcharnikov, R.E., Holtz, F., Behrens, H. and De Rossa, R. (2011) Solubility of H2O and CO2 in shoshonitic melts at 1250°C and pressures from 50 to 400 MPa: Implications for  Campi Flegrei magmatic systems. Journ. Volcanol. Geotherm. Res. 202, 251-261.

Klimm, K. and Botcharnikov R.E. (2010) The determination of sulphide and sulphate species in hydrous silicate glasses using Raman spectroscopy. Am. Mineral. 95, 1574-1579.

Shishkina, T., Botcharnikov, R.E., Holtz, F., Almeev, R.R., Portnyagin, M. (2010) Solubility of H2O and CO2-bearing fluids in tholeiitic basalts at pressures up to 500 MPa. Chem. Geol. 277, 115-125.

Jugo, P.J., Wilke, M., and Botcharnikov, R.E. (2010) Sulfur K-edge XANES analysis of natural and synthetic basaltic glasses: Implications for S speciation and S content as function of oxygen fugacity. Geochim. Cosmochim. Acta 74, 5926-5938.

Botcharnikov, R.E., Linnen, R.L. and Holtz, F. (2010) Solubility of Au in Cl- and S-bearing hydrous silicate melts. Geochim. Cosmochim. Acta 74, 2396-2411.

Moune S., Holtz, F., Botcharnikov, R.E. (2009) Sulphur solubility in andesitic to basaltic melts: Implications for Hekla volcano. Contrib. Mineral. Petrol., 157, 691-707.

Behrens, H., Misiti, V., Freda, C., Vetere, F., Botcharnikov, R.E., Scarlato, P. (2009) Solubility of H2O and CO2 in ultrapotassic melts at 1200 and 1250°C and pressure from 50 to 500 MPa. Am. Mineral., 94, 105-120.

Botcharnikov, R.E, Almeev, R.R., Koepke, J., Holtz, F. (2008) Phase relations and liquid lines of descent in hydrous ferrobasalt - Implications for the Skaergaard Intrusion and Columbia River flood basalts. J. Petrol., 49, 1687-1727.

Stelling, J., Botcharnikov, R.E., Beermann, O., Nowak, M. (2008) Solubility of H2O- and chlorine-bearing fluids in basaltic melt of Mount Etna at T=1050-1250°C and P=200 MPa. Chem. Geol., 256, 101-109.

Chevychelov V.Yu., Botcharnikov, R.E., Holtz, F. (2008) Partitioning of Cl and F between fluid and hydrous phonolitic melt of Mt. Vesuvius at ~850-1000°C and 200 MPa. Chem. Geol., 256: 171-183.

Schuessler, J.A., Botcharnikov, R.E., Behrens, H., Misiti, V., and Freda, C. (2008) Oxidation state of iron in phonotephritic melts. Am. Mineral., 93, 1493-1504.

Chevychelov, V.Yu., Botcharnikov, R.E., Holtz, F. (2008) Experimental investigation of chlorine and fluorine contents in mica (biotite) and their partitioning between mica, phonolitic melt and fluid. Geochem. Intern., 46, 1081-1089.

Chevychelov, V.Yu., Bocharnikov, R.E., Holtz, F. (2008) Experimental investigation of chlorine and fluorine partitioning between fluid and subalkalic basaltic melt. Dok.Earth Sci., 422, 1089-1092.

Botcharnikov, R.E, Holtz, F., Almeev, R.R., Sato, H., and Behrens, H. (2008) Storage conditions and evolution of andesitic magma prior to the 1991-95 eruption of Unzen volcano: Constraints from natural samples and phase equilibria experiments. Journ. Volcanol. Geotherm. Res., 175, 168-180.

Wilke, M., Jugo, P.J., Klimm, K., Susini, J., Botcharnikov, R., Kohn, S.C., Janousch, M. (2008) The origin of S4+ detected in silicate glasses by XANES. Am. Mineral., 93, 235-240.

Botcharnikov, R.E, Holtz, F., and Behrens, H. (2007) The effect of CO2 on the solubility of H2O-Cl fluids in andesitic melt. Europ. J. Mineral., 19, 671-680.
Almeev, R.R., Holtz, F., Koepke, J., Parat, F., and Botcharnikov, R.E. (2007) The effect of H2O on olivine crystallization in MORB: Experimental calibration at 200 MPa. Am. Mineral., 92, 670-674.

Botcharnikov, R.E, Behrens, H., and Holtz, F. (2006) Solubility and speciation of C-O-H fluids in andesitic melt at T=1100 - 1300°C and P=200 and 500 MPa. Chem. Geol., 229, 125-143.

Botcharnikov, R.E., Koepke, J., Holtz, F., McCammon, C., and Wilke, M. (2005) The effect of water activity on the oxidation and structural state of Fe in a ferrobasaltic melt. Geochim. Cosmochim. Acta, 69 (21), 5071-5085.

Botcharnikov, R., Freise, M., Holtz, F., and Behrens, H. (2005) Solubility of C-O-H  mixtures in natural melts: new experimental data and application range of recent models. Ann. Geoph.. 48: 633-646.

Sato, H., Holtz, F., Behrens, H., Botcharnikov, R., and Nakada, S. (2005) Petrology of the 1991-1995 Unzen Dacite, Japan. Part II: compositional zoning of hornblende and plagioclase phenocrysts and evaluation of fluid input/outgassing of magmas. J. Petrol., 46 (2), 339-354.

Botcharnikov, R.E, Behrens, H., Holtz, F., Koepke, J., and Sato, H. (2004) Sulfur and chlorine solubility in Mt. Unzen rhyodacitic melt at 850°C and 200 MPa. Chem. Geol., 213, 207-225.

Botcharnikov R.E., Shmulovich K.I., Tkachenko S.I., Korzhinsky M.A., and Rybin A.V. (2003) Hydrogen isotope geochemistry and heat balance of a fumarolic system: Kudriavy volcano, Kuriles. Journ. Volcanol. Geotherm. Res., 124, 45-66.

Korzhinsky M.A., Botcharnikov R.E., Tkachenko S.I., Zhdanov, N.N., and Steinberg G.S. (2002) Distinctive features of fumarolic activity at Kudryavyi volcano in 1991-1999 and its 1999 phreatic eruption. Petrology, 10, 540-556.

Korzhinsky M.A., Botcharnikov R.E., Tkachenko S.I., and Steinberg G.S. (2002) Decade-long study of degassing  at  Kudriavy Volcano, Iturup, Kurile Islands  (1990-1999): Gas temperature and composition variations, and occurrence of 1999 phreatic eruption. Earth, Planet. Space, 54, 337-347.

Simakin, A.G. and Botcharnikov, R.E. (2001) Effects of compositional convection at degassing of stratified magma. Journ. Volcan. Geoth. Res., 105, 207-224.

Bocharnikov, R.E., Shmulovich, K.I., Tkachenko, S.I., Korzhinsky, M.A., and Steinberg, G.S. (2000) Gas metasomatism: experiments at natural fumaroles of Kudriavy volcano, Iturup, Kurile Islands. Geochem. Intern., 38, Suppl.2, 186-193.

Churakov, S.V., Tkachenko, S.I., Korzhinsky, M.A., Bocharnikov, R.E., and Shmulovich, K.I. (2000) Evolution of composition of high-temperature fumarolic gases from Kudriavy volcano, Iturup, Kuril Islands: The thermodynamic modeling. Geochem. Intern., 38 (5), 436.

Bocharnikov, R.E., Knyazik, V.A., Steinberg, A.S., and Steinberg G.S. (1998) Emission of gases, petrogenetic and ore elements from Kudriavy volcano, Iturup, Kuril Island. Dok. Russ. Acad. Sci., 361, 858-861.


Book chapters
Webster, J.D. and Botcharnikov R.E. (2011) Distribution of sulfur between melt-fluid in C-O-H-S-Cl-bearing magmatic systems at shallow crustal pressures and temperatures. In: Sulfur in Magmas and Melts and its Importance for Natural and Technical Processes. Behrens H, Webster JD (eds). Reviews in Mineralogy and Geochemistry, 73, 247-283.

Korzhinsky M.A., Botcharnikov R.E., Tkachenko S.I., Zhdanov, N.N., and Steinberg G.S. (2004) Variations of the composition of high-temperature fumarolic gas on the Kudryavy volcano, Iturup Island, South Kuriles. In: Exp. Mineralogy: some results on the century’s frontier. Nauka, Moscow, 127-148 (in Russian).

Korzhinsky, M.A., Tkachenko, S.I., Bocharnikov, R.E., and Shmulovich, K.I. (1998) Magmatic degasation and mineral-formation on the Kudriavy volcano (Iturup Island, Kuril Isles). In: Exp. Theoreth. Model. Process. Miner. Form., 143-168 (in Russian).


Other publications
Korzhinsky, M.A., Zhdanov, N.N., Tkachenko, S.I., and Botcharnikov, R.E. (1999) Anomalous hydrogen in volcanic gases of Kudriavy volcano, Iturup Island, South Kuriles (direct measurements). Exp. Geosci., 8 (2), 42.

Korzhinsky, M.A., Zhdanov, N.N., Tkachenko, S.I., and Botcharnikov, R.E. (1999) New equipment for the measurements of high temperature volcanic gas conditions. Exp. Geosci., 8 (1), 70-71.