Harold C Helgeson: search on Z-Library

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1

A chemical and thermodynamic model of oil generation in hydrocarbon source rocks

Harold C. Helgeson, Laurent Richard, William F. McKenzie, Denis L. Norton, Alexandra Schmitt

Journal:

Geochimica et Cosmochimica Acta

Year:

2009

Language:

english

File:

PDF, 6.14 MB

english, 2009

2

Calculation of mass transfer among minerals and aqueous solutions as a function of time and surface area in geochemical processes. I. computational approach

Harold C. Helgeson, William M. Murphy

Journal:

Mathematical Geosciences

Year:

1983

Language:

english

File:

PDF, 1.43 MB

english, 1983

3

SUPCRT92: A software package for calculating the standard molal thermodynamic properties of minerals, gases, aqueous species, and reactions from 1 to 5000 bar and 0 to 1000°C

James W. Johnson, Eric H. Oelkers, Harold C. Helgeson

Journal:

Computers & Geosciences

Year:

1992

Language:

english

File:

PDF, 3.40 MB

english, 1992

4

Thermodynamic and kinetic constraints on reaction rates among minerals and aqueous solutions. II. Rate constants, effective surface area, and the hydrolysis of feldspar

Harold C. Helgeson, William M. Murphy, Per Aagaard

Journal:

Geochimica et Cosmochimica Acta

Year:

1984

Language:

english

File:

PDF, 3.24 MB

english, 1984

5

Calculation of the thermodynamic and geochemical consequences of nonideal mixing in the system H2O-CO2-NaCl on phase relations in geologic systems: Equation of state for H2O-CO2-NaCl fluids at high pressures and temperatures

Teresa Suter Bowers, Harold C. Helgeson

Journal:

Geochimica et Cosmochimica Acta

Year:

1983

Language:

english

File:

PDF, 2.75 MB

english, 1983

6

Kinetics of mass transfer among silicates and aqueous solutions

Harold C Helgeson

Journal:

Geochimica et Cosmochimica Acta

Year:

1971

Language:

english

File:

PDF, 3.84 MB

english, 1971

7

Thermodynamic and kinetic constraints on reaction rates among minerals and aqueous solutions. III. Activated complexes and the pH-dependence of the rates of feldspar, pyroxene, wollastonite, and olivine hydrolysis

William M. Murphy, Harold C. Helgeson

Journal:

Geochimica et Cosmochimica Acta

Year:

1987

Language:

english

File:

PDF, 2.54 MB

english, 1987

8

Chemical and thermodynamic constraints on the hydrothermal transport and deposition of tin: I. Calculation of the solubility of cassiterite at high pressures and temperatures

Kenneth J. Jackson, Harold C. Helgeson

Journal:

Geochimica et Cosmochimica Acta

Year:

1985

Language:

english

File:

PDF, 2.39 MB

english, 1985

9

Calculation of the Standard Molal Thermodynamic Properties of Crystalline, Liquid, and Gas Organic Molecules at High Temperatures and Pressures

Harold C. Helgeson, Christine E. Owens, Annette M. Knox, Laurent Richard

Journal:

Geochimica et Cosmochimica Acta

Year:

1998

Language:

english

File:

PDF, 4.34 MB

english, 1998

10

Calculation of mass transfer in geochemical processes involving aqueous solutions

Harold C Helgeson, Thomas H Brown, Andrew Nigrini, Thomas A Jones

Journal:

Geochimica et Cosmochimica Acta

Year:

1970

Language:

english

File:

PDF, 1.92 MB

english, 1970

11

Principles of Chemical Sedimentology . Robert A. Berner

Helgeson, Harold C.

Journal:

The Journal of Geology

Year:

1972

Language:

english

File:

PDF, 322 KB

english, 1972

12

Silicate-sea water equilibria in the ocean system

Harold C. Helgeson, Fred T. Mackenzie

Journal:

Deep Sea Research and Oceanographic Abstracts

Year:

1970

Language:

english

File:

PDF, 1.02 MB

english, 1970

13

Petroleum, oil field waters, and authigenic mineral assemblages Are they in metastable equilibrium in hydrocarbon reservoirs

Harold C. Helgeson, Annette M. Knox, Christine E. Owens, Everett L. Shock

Journal:

Geochimica et Cosmochimica Acta

Year:

1993

Language:

english

File:

PDF, 5.51 MB

english, 1993

14

Evaluation of irreversible reactions in geochemical processes involving minerals and aqueous solutions—II. Applications

Harold C. Helgeson, Robert M. Garrels, Fred T. MacKenzie

Journal:

Geochimica et Cosmochimica Acta

Year:

1969

Language:

english

File:

PDF, 2.42 MB

english, 1969

15

Triple-ion anions and polynuclear complexing in supercritical electrolyte solutions

Eric H Oelkers, Harold C Helgeson

Journal:

Geochimica et Cosmochimica Acta

Year:

1990

Language:

english

File:

PDF, 1.31 MB

english, 1990

16

Group additivity equations of state for calculating the standard molal thermodynamic properties of aqueous organic species at elevated temperatures and pressures

Jan P. Amend, Harold C. Helgeson

Journal:

Geochimica et Cosmochimica Acta

Year:

1997

Language:

english

File:

PDF, 3.18 MB

english, 1997

17

Surface exchange and the hydrolysis of feldspar

William M. Murphy, Harold C. Helgeson

Journal:

Geochimica et Cosmochimica Acta

Year:

1989

Language:

english

File:

PDF, 91 KB

english, 1989

18

Chemical Transport in Metasomatic Processes || Diffusion and/or Plastic Deformation around Fluid Inclusions in Synthetic Quartz

Helgeson, Harold C.

Year:

1987

Language:

english

File:

PDF, 142 KB

english, 1987

19

Evaluation of irreversible reactions in geochemical processes involving minerals and aqueous solutions—I. Thermodynamic relations

Harold C. Helgeson

Journal:

Geochimica et Cosmochimica Acta

Year:

1968

Language:

english

File:

PDF, 2.27 MB

english, 1968

20

Response to ‘Group additivity calculations of the thermodynamic properties of unfolded proteins in aqueous solution: a critical comparison of peptide-based and HKF models’

Jan P. Amend, Harold C. Helgeson

Journal:

Biophysical Chemistry

Year:

2001

Language:

english

File:

PDF, 74 KB

english, 2001

21

Chemical Transport in Metasomatic Processes || Induced Stress and Secondary Mass Transfer: Thermodynamic Basis for the Tendency toward Constant-Volume Constraint in Diffusion Metasomatism

Helgeson, Harold C.

Year:

1987

Language:

english

File:

PDF, 4.36 MB

english, 1987

22

Chemical Transport in Metasomatic Processes || Lagrangian and Eulerian Representations of Metasomatic Alteration of Minerals

Helgeson, Harold C.

Year:

1987

Language:

english

File:

PDF, 4.83 MB

english, 1987

23

SPIE Proceedings [SPIE Photonics for Industrial Applications - Boston, MA (Monday 31 October 1994)] Optically Activated Switching IV - High-gain GaAs photoconductive semiconductor switches (PCSS): device lifetime, high-current testing, optical pulse generators

Zutavern, Fred J., Loubriel, Guillermo M., Helgeson, Wesley D., O'Malley, Marty W., Gallegos, R. R., Hjalmarson, Harold P., Baca, Albert G., Plut, Thomas A., Donaldson, William R.

Year:

1995

Language:

english

File:

PDF, 1.34 MB

english, 1995

24

Estimation of the dielectric constant of H2O from experimental solubilities of quartz, and calculation of the thermodynamic properties of aqueous species to 900°C at 2 kb

William F. McKenzie, Harold C. Helgeson

Journal:

Geochimica et Cosmochimica Acta

Year:

1984

Language:

english

File:

PDF, 1.26 MB

english, 1984

25

Interdiffusion with multiple precipitation/dissolution reactions: Transient model and the steady-state limit

Peter C. Lichtner, Eric H. Oelkers, Harold C. Helgeson

Journal:

Geochimica et Cosmochimica Acta

Year:

1986

Language:

english

File:

PDF, 1.71 MB

english, 1986

26

Chemical Transport in Metasomatic Processes || Controls of the Chemical Composition of Geothermal Waters

Helgeson, Harold C.

Year:

1987

Language:

english

File:

PDF, 3.61 MB

english, 1987

27

Chemical Transport in Metasomatic Processes || Pre- or Synmetamorphic Metasomatism in Peraluminous Metamorphic Rocks?

Helgeson, Harold C.

Year:

1987

Language:

english

File:

PDF, 5.69 MB

english, 1987

28

Erratum to Geochim. Cosmochim.: E. L. Shock and H. C. Helgeson: Cosmochimica Acta 52, pp. 2009–2036

Everett L. Shock, Harold C. Helgeson

Journal:

Geochimica et Cosmochimica Acta

Year:

1989

Language:

english

File:

PDF, 93 KB

english, 1989

29

FORTRAN programs for generating fluid inclusion isochores and fugacity coefficients for the system H2O-CO2-NaCl at high pressures and temperatures

Teresa Suter Bowers, Harold C Helgeson

Journal:

Computers & Geosciences

Year:

1985

Language:

english

File:

PDF, 761 KB

english, 1985

30

Kinetic and thermodynamic constraints on phase relations among minerals, petroleum, and aqueous solutions in diagenetic processes

Harold C. Helgeson, Everett L. Shock

Journal:

Chemical Geology

Year:

1988

Language:

english

File:

PDF, 96 KB

english, 1988

31

Surfaces of reacted minerals

Helgeson, Harold C.

Journal:

Year:

1987

File:

PDF, 144 KB

1987

32

Thermodynamics of complex dissociation in aqueous solution at elevated temperatures

Helgeson, Harold C.

Journal:

Journal of Physical Chemistry

Year:

1967

Language:

english

File:

PDF, 1.61 MB

english, 1967

33

Calculation of dissociation constants and the relative stabilities of polynuclear clusters of 1:1 electrolytes in hydrothermal solutions at supercritical pressures and temperatures

Eric H Oelkers, Harold C Helgeson

Journal:

Geochimica et Cosmochimica Acta

Year:

1993

Language:

english

File:

PDF, 2.24 MB

english, 1993

34

Chemical Transport in Metasomatic Processes || Metasomatism in Iceland: Hydrothermal Alteration and Remelting of Oceanic Crust

Helgeson, Harold C.

Year:

1987

Language:

english

File:

PDF, 5.34 MB

english, 1987

35

Calculation of the thermodynamic and transport properties of aqueous species at high pressures and temperatures: Standard partial molal properties of inorganic neutral species

Everett L Shock, Harold C Helgeson, Dimitri A Sverjensky

Journal:

Geochimica et Cosmochimica Acta

Year:

1989

Language:

english

File:

PDF, 3.63 MB

english, 1989

36

Effects of complex formation in flowing fluids on the hydrothermal solubilities of minerals as a function of fluid pressure and temperature in the critical and supercritical regions of the system H2O

Harold C Helgeson

Journal:

Geochimica et Cosmochimica Acta

Year:

1992

Language:

english

File:

PDF, 2.30 MB

english, 1992

37

Chemical Transport in Metasomatic Processes || A Two-Stage, Transient Heat and Mass Transfer Model for the Granodiorite Intrusion at Seriphos, Greece, and the Associated Formation of Contact Metasomatic Skarn and Fe-ore Deposits

Helgeson, Harold C.

Year:

1987

Language:

english

File:

PDF, 4.20 MB

english, 1987

38

Chemical Transport in Metasomatic Processes || Transition Metal Mobility in Oceanic Ridge Crest Hydrothermal Systems at 350°C–425°C

Helgeson, Harold C.

Year:

1987

Language:

english

File:

PDF, 2.07 MB

english, 1987

39

Calculation of the thermodynamic properties and relative stabilities of aqueous acetic and chloroacetic acids, acetate and chloroacetates, and acetyl and chloroacetyl chlorides at high and low temperatures and pressures

Helgeson, Harold C.

Journal:

Applied Geochemistry

Year:

1992

Language:

english

File:

PDF, 1.35 MB

english, 1992

40

Calculation of the thermodynamic and transport properties of aqueous species at high pressures and temperatures: Correlation algorithms for ionic species and equation of state predictions to 5 kb and 1000°C

Everett L. Shock, Harold C. Helgeson

Journal:

Geochimica et Cosmochimica Acta

Year:

1988

Language:

english

File:

PDF, 3.21 MB

english, 1988

41

Chemical Transport in Metasomatic Processes || Evolution of the Cycladic Crystalline Complex: Petrology, Isotope Geochemistry and Geochronolgy

Helgeson, Harold C.

Year:

1987

Language:

english

File:

PDF, 6.08 MB

english, 1987

42

Thermodynamic and Geochemical Characteristics of Salton Sea Geothermal System: ABSTRACT

Harold C. Helgeson,

Journal:

Year:

1968

File:

PDF, 214 KB

1968

43

Chemical Transport in Metasomatic Processes || Metasomatism of the Continental Lithosphere: Simulation of Isotope and Element Abundance Behaviour and Case Studies

Helgeson, Harold C.

Year:

1987

Language:

english

File:

PDF, 6.98 MB

english, 1987

44

Chemical Transport in Metasomatic Processes || Tennahedrite Thermochemistry and Metal Zoning

Helgeson, Harold C.

Year:

1987

Language:

english

File:

PDF, 4.61 MB

english, 1987

45

Solubility of petroleum in oil-field waters as a function of the oxidation state of the system

Pokrovskii, Vitalii A., Helgeson, Harold C.

Journal:

Year:

1994

Language:

english

File:

PDF, 247 KB

english, 1994

46

Estimation of the standard molal heat capacities, entropies and volumes of 2:1 clay minerals

Barbara Ransom, Harold C Helgeson

Journal:

Geochimica et Cosmochimica Acta

Year:

1994

Language:

english

File:

PDF, 1.33 MB

english, 1994

47

Chemical Transport in Metasomatic Processes || Fluid Inclusions and Pressure-Temperature Estimates in Deep-Seated Rocks

Helgeson, Harold C.

Year:

1987

Language:

english

File:

PDF, 5.87 MB

english, 1987

48

Chemical Transport in Metasomatic Processes || Pressure-Temperature and Evolution of Fluid Compositions of Al2SiO5-Bearing Rocks, Mica Creek, British Columbia, in Light of Fluid Inclusion Data and Mineral Equilibria

Helgeson, Harold C.

Year:

1987

Language:

english

File:

PDF, 195 KB

english, 1987

49

Calculation of the thermodynamic and transport properties of aqueous species at high pressures and temperatures: dissociation constants for supercritical alkali metal halides at temperatures from 400 to 800.degree.C and pressures from 500 to 4000 bar

Oelkers, Eric H., Helgeson, Harold C.

Journal:

Journal of Physical Chemistry

Year:

1988

Language:

english

File:

PDF, 1.57 MB

english, 1988

50

Calculation of the standard partial molal thermodynamic properties of KCl0 and activity coefficients of aqueous KCl at temperatures and pressures to 1000°C and 5 kbar

Vitalii A. Pokrovskii, Harold C. Helgeson

Journal:

Geochimica et Cosmochimica Acta

Year:

1997

Language:

english

File:

PDF, 1.00 MB

english, 1997

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