Alison Ord

2020

Mixed Solutions of Mathematical and Numerical Methods for Reactive Mass Transport Problems of Two Different Porosity Regions in Fluid-Saturated Porous Media

Zhao, C., Hobbs, B. E. & Ord, A., Jan 2020, In : Journal of Hydrology. 580, 8 p., 124145.

Research output: Contribution to journal › Article

mass transport

numerical method

porous medium

porosity

fluid

2019

4 Citations (Scopus)

3D computational simulation-based mineral prospectivity modeling for exploration for concealed Fe–Cu skarn-type mineralization within the Yueshan orefield, Anqing district, Anhui Province, China

Li, X., Zhang, M., Jowitt, S. M., Ord, A., Zhou, T. & Dai, W., 1 Feb 2019, In : Ore Geology Reviews. 105, p. 1-17 17 p.

Research output: Contribution to journal › Article

skarn

Minerals

mineralization

Mineral exploration

mineral

An interface-condition substitution strategy for theoretical study of dissolution-timescale reactive infiltration instability in fluid-saturated porous rocks

Zhao, C., Hobbs, B. E. & Ord, A., 10 Jun 2019, In : International Journal for Numerical and Analytical Methods in Geomechanics. 43, 8, p. 1576-1593 18 p.

Research output: Contribution to journal › Article

theoretical study

Infiltration

Dissolution

substitution

infiltration

Closure to “Analytical Solution for Dissolution-Timescale Reactive Transport in Fluid-Saturated Porous Rocks” by Chongbin Zhao, B. E. Hobbs, and A. Ord

Zhao, C., Hobbs, B. E. & Ord, A., Aug 2019, In : International Journal of Geomechanics. 19, 8, p. 07019004 2 p.

Research output: Contribution to journal › Comment/debate

Computational modeling of convective seepage flow in fluid-saturated heterogeneous rocks: Steady-state approach

Zhao, C., Hobbs, B. E. & Ord, A., 1 Feb 2019, In : Computers and Geosciences. 123, p. 103-110 8 p.

Research output: Contribution to journal › Article

Seepage

seepage

Rocks

Fluids

fluid

Numerical Modeling of Ore-forming Processes within the Chating Cu-Au Porphyry-type Deposit, China: Implications for the Longevity of Hydrothermal Systems and Potential Uses in Mineral Exploration

Hu, X., Li, X., Yuan, F., Ord, A., Jowitt, S. M., Li, Y., Dai, W. & Zhou, T., 13 Nov 2019, (Accepted/In press) In : Ore Geology Reviews. p. 103230

Research output: Contribution to journal › Article

Mineral exploration

mineral exploration

hydrothermal system

porphyry

Ores

Numerical Simulation Based Targeting of the Magushan Skarn Cu–Mo Deposit, Middle-Lower Yangtze Metallogenic Belt, China

Hu, X., Li, X., Yuan, F., Ord, A., Jowitt, S. M., Li, Y., Dai, W., Ye, R. & Zhou, T., 28 Sep 2019, In : Minerals. 9, 10, p. 588

Research output: Contribution to journal › Article

Open Access

skarn

targeting

Deposits

Garnets

Mineral exploration

1 Citation (Scopus)

Quantitative measures of deformed rocks: The links to dynamics

Ord, A. & Hobbs, B., Aug 2019, In : Journal of Structural Geology. 8 p.

Research output: Contribution to journal › Article

fold

rock

structural geology

network analysis

P-T conditions

Rheology of mixed deformation mechanisms and mineral phase assemblages

Hobbs, B. E., Ord, A., Ulrich, S. & Schulmann, K., 1 Dec 2019, In : Journal of Structural Geology. 129, 103891.

Research output: Contribution to journal › Article

deformation mechanism

rheology

mineral

enthalpy

viscosity

Transient-state instability analysis of dissolution-timescale reactive infiltration in fluid-saturated porous rocks: Purely mathematical approach

Zhao, C. B., Hobbs, B. & Ord, A., 16 Apr 2019, In : Science China Technological Sciences. 10 p.

Research output: Contribution to journal › Article

Transient State

Infiltration

Dissolution

infiltration

dissolving

上地壳内饱水孔隙岩石中孔隙流体对流的有限元模拟综述

Zhao, C. B., Hobbs, B. & Ord, A., 1 Mar 2019, In : Journal of Central South University. 26, 3, p. 501-514 14 p.

Research output: Contribution to journal › Article

Flow of fluids

Rocks

Fluids

Mineral resources

Thermodynamics

2018

5 Citations (Scopus)

Analytical solution for dissolution-timescale reactive transport in fluid-saturated porous rocks

Zhao, C., Hobbs, B. E. & Ord, A., 1 Jun 2018, In : International Journal of Geomechanics. 18, 6, p. 1-10 10 p., 04018037.

Research output: Contribution to journal › Article

reactive transport

porosity

rocks

dissolution

timescale

4 Citations (Scopus)

A unified theory for sharp dissolution front propagation in chemical dissolution of fluid-saturated porous rocks

Zhao, C. B., Hobbs, B. & Ord, A., 12 Dec 2018, In : Science China Technological Sciences. 12 p.

Research output: Contribution to journal › Article

Front Propagation

Acidization

Dissolution

dissolving

Rocks

5 Citations (Scopus)

Coupling of fluid flow to permeability development in mid- to upper crustal environments: a tale of three pressures

Hobbs, B. & Ord, A., 2018, In : Geological Society Special Publication. 453, 1, p. 81-120 40 p.

Research output: Contribution to journal › Article

fluid flow

Flow of fluids

thermodynamics

Thermodynamics

permeability

3 Citations (Scopus)

Detection of unstable periodic orbits in mineralising geological systems

Oberst, S., Niven, R. K., Lester, D. R., Ord, A., Hobbs, B. & Hoffmann, N., 1 Aug 2018, In : Chaos. 28, 8, 085711.

Research output: Contribution to journal › Article

Mineral exploration

Gold deposits

Periodic Orbits

Dynamical systems

Orbits

3 Citations (Scopus)

Episodic modes of operation in hydrothermal gold systems: Part I. Deformation, mineral reactions and chaos

Ord, A. & Hobbs, B., 2018, In : Geological Society Special Publication. 453, 1, p. 121-146 26 p.

Research output: Contribution to journal › Article

chaotic dynamics

Chaos theory

Minerals

gold

Gold

3 Citations (Scopus)

Episodic modes of operation in hydrothermal gold systems: Part II. A model for gold deposition

Hobbs, B. & Ord, A., 2018, In : Geological Society Special Publication. 453, 1, p. 147-164 18 p.

Research output: Contribution to journal › Article

gold

Gold

Gold deposits

Exothermic reactions

Pyrites

3 Citations (Scopus)

Modeling of mountain topography effects on hydrothermal Pb-Zn mineralization patterns: Generic model approach

Zhao, C., Hobbs, B. E. & Ord, A., 1 Jul 2018, In : Journal of Geochemical Exploration. 190, p. 400-410 11 p.

Research output: Contribution to journal › Article

Topography

Ores

topography

mineralization

Thermal gradients

2 Citations (Scopus)

Nonlinear analysis of natural folds using wavelet transforms and recurrence plots

Ord, A., Hobbs, B., Dering, G. & Gessner, K., 13 Aug 2018, In : Philosophical Transactions of the Royal Society A: Mathematical, Physical and Engineering Sciences. 376, 2126, 20170257.

Research output: Contribution to journal › Article

Recurrence Plot

Nonlinear analysis

Nonlinear Analysis

wavelet analysis

Wavelet transforms

3 Citations (Scopus)

200 Downloads (Pure)

Nonlinear dynamical analysis of GNSS data: quantification, precursors and synchronisation

Hobbs, B. & Ord, A., 1 Dec 2018, In : Progress in Earth and Planetary Science. 5, 1, 36.

Research output: Contribution to journal › Review article

Open Access

File

GNSS

time series

tectonics

crustal deformation

plate motion

1 Citation (Scopus)

Reply to comment on “validity of using large-density asymptotics for studying reaction-infiltration instability in fluid-saturated rocks”

Zhao, C., Hobbs, B. E. & Ord, A., 1 Sep 2018, In : Journal of Hydrology. 564, p. 928-929 2 p.

Research output: Contribution to journal › Comment/debate

infiltration

dissolution

timescale

fluid

rock

5 Citations (Scopus)

Spatial organization of gold and alteration mineralogy in hydrothermal systems: wavelet analysis of drillcore from Sunrise Dam Gold Mine, Western Australia

Munro, M., Ord, A. & Hobbs, B., 2018, In : Geological Society Special Publication. 453, 1, p. 165-204 40 p.

Research output: Contribution to journal › Article

Gold mines

Mineralogy

Wavelet analysis

wavelet analysis

gold mine

5 Citations (Scopus)

Validity of using large-density asymptotics for studying reaction-infiltration instability in fluid-saturated rocks

Zhao, C., Hobbs, B. E. & Ord, A., 1 Apr 2018, In : Journal of Hydrology. 559, p. 454-460 7 p.

Research output: Contribution to journal › Article

infiltration

groundwater

fluid

mineral

chemical reaction

2 Citations (Scopus)

不同数值算法对模拟饱水孔隙岩石中化学溶解面非稳定性的影响

Zhao, C. B., Hobbs, B. & Ord, A., 1 Aug 2018, In : Journal of Central South University. 25, 8, p. 1966-1975 10 p.

Research output: Contribution to journal › Article

Dissolution

Rocks

Fluids

Porosity

Acids

2017

16 Citations (Scopus)

A new alternative approach for investigating acidization dissolution front propagation in fluid-saturated carbonate rocks

Zhao, C. B., Hobbs, B. & Ord, A., Aug 2017, In : Science China Technological Sciences. 60, 8, p. 1197-1210 14 p.

Research output: Contribution to journal › Article

Acidization

Carbonates

Dissolution

Rocks

Fluids

2 Citations (Scopus)

Effects of acid dissolution capacity on the propagation of an acid-dissolution front in carbonate rocks

Zhao, C., Hobbs, B. E. & Ord, A., 1 May 2017, In : Computers and Geosciences. 102, p. 109-115 7 p.

Research output: Contribution to journal › Article

carbonate rock

Carbonates

Dissolution

dissolution

Rocks

4 Citations (Scopus)

Pressure and equilibrium in deforming rocks

Hobbs, B. E. & Ord, A., 1 Dec 2017, In : Journal of Metamorphic Geology. 35, 9, p. 967-982 16 p.

Research output: Contribution to journal › Article

Rocks

phase equilibrium

Phase equilibria

rock

thermodynamics

7 Citations (Scopus)

Why asymptotic limit of the acid dissolution capacity can lead to a sharp dissolution front in chemical dissolution of porous rocks?

Zhao, C., Hobbs, B. E. & Ord, A., 25 Oct 2017, In : International Journal for Numerical and Analytical Methods in Geomechanics. 41, 15, p. 1590-1602 13 p.

Research output: Contribution to journal › Article

Dissolution

dissolution

Rocks

Acids

acid

2016

15 Citations (Scopus)

Chemical dissolution-front instability associated with water-rock reactions in groundwater hydrology: Analyses of porosity-permeability relationship effects

Zhao, C., Hobbs, B. & Ord, A., 2016, In : Journal of Hydrology. 540, p. 1078-1087

Research output: Contribution to journal › Article

hydrology

porosity

dissolution

permeability

groundwater

11 Citations (Scopus)

Does non-hydrostatic stress influence the equilibrium of metamorphic reactions?

Hobbs, B. E. & Ord, A., 1 Dec 2016, In : Earth-Science Reviews. 163, p. 190-233 44 p.

Research output: Contribution to journal › Review article

hydrostatics

thermodynamics

fluid

chemical composition

diagram

14 Citations (Scopus)

Hydrothermal mineralising systems as chemical reactors: Wavelet analysis, multifractals and correlations

Ord, A., Munro, M. & Hobbs, B., Dec 2016, In : Ore Geology Reviews. 79, p. 155-179

Research output: Contribution to journal › Article

Chemical reactors

Wavelet analysis

wavelet analysis

hydrothermal system

Minerals

2015

30 Citations (Scopus)

Computational simulation of chemical dissolution-front instability in fluid-saturated porous media under non-isothermal conditions

Zhao, C., Hobbs, B. & Ord, A., 2015, In : International Journal for Numerical Methods in Engineering. 102, 2, p. 135-156

Research output: Contribution to journal › Article

Computational Simulation

Dissolution

Porous Media

Porous materials

Fluid

6 Citations (Scopus)

Dramatic effects of stress on metamorphic reactions

Hobbs, B. & Ord, A., 1 Jan 2015, In : Geology. 43, 11, p. e372

Research output: Contribution to journal › Comment/debate

Structural Geology: The Mechanics of Deforming Metamorphic Rocks

Hobbs, B. & Ord, A., 2015, Netherlands: Elsevier.

Research output: Book/Report › Book

37 Citations (Scopus)

Theoretical analyses of chemical dissolution-front instability in fluid-saturated porous media under non-isothermal conditions

Zhao, C., Hobbs, B. & Ord, A., 2015, In : International Journal for Numerical and Analytical Methods in Geomechanics. 39, 8, p. 799-820

Research output: Contribution to journal › Article

Porous materials

porous medium

Dissolution

dissolution

Fluids

25 Citations (Scopus)

Three-dimensional mineral prospectivity modeling for targeting of concealed mineralization within the Zhonggu iron orefield, Ningwu Basin, China

Li, X., Yuan, F., Zhang, M., Jia, C., Jowitt, S. M., Ord, A., Zheng, T., Hu, X. & Li, Y., 2015, In : Ore Geology Reviews. 71, p. 633-654

Research output: Contribution to journal › Article

targeting

Minerals

Deposits

Iron

mineralization

2014

Entropic Bounds for Multi-Scale and Multi-Physics Coupling in Earth Sciences

Regenauer-Lieb, K., Karrech, A., Chua, H., Poulet, T., Veveakis, M., Wellmann, F., Liu, J., Schrank, C., Gaede, O., Trefry, M., Ord, A., Hobbs, B., Metcalfe, G. & Lester, D., 2014, Beyond the Second Law. Dewar, R. C., Lineweaver, C. H., Niven, R. K. & Regenauer-Lieb, K. (eds.). Berlin: Springer, p. 323-335

Research output: Chapter in Book/Conference paper › Chapter

Non-linear thermo-mechanics of folding in geomaterials

Paesold, M., Karrech, A., Dodwell, T., Regenauer-Lieb, K., Bassom, A., Ord, A. & Hobbs, B., 2014, Mathematics of Planet Earth: Proceedings of the 15th Annual Conference of the International Association for Mathematical Geosciences. Berlin, Heidelberg: Springer, Vol. XXIII. p. 753-756

Research output: Chapter in Book/Conference paper › Conference paper

2013

22 Citations (Scopus)