Characterizing Ferrihydrite Transformation Products in Near-Saturated Brine Environments: Implications for Fe-oxide Formation on Mars

Barbre KSR, Elwood Madden AS, Hodges CA, Elwood Madden ME

Journal of Geophysical Research - Planets, 2025

Understanding the impact of a modern euxinic spring on sediment using bulk sediment and smectite clay-preserved proxies

Itunu Apalara, Caitlin Hodges, Julian Sabisch, Megan Elwood Madden, Preston Larson, Andrew Elwood Madden

ACS Earth and Space Chemistry, vol. 9(2), 2025, pp. 265-276

Applying the Quadrant Method for Pumping-Trace Metal Correlations in Variable Time, Low-Data Systems

Zachary D. Tomlinson, Kato T. Dee, Megan E. Elwood Madden, Andrew S. Elwood Madden

Groundwater, vol. 63(2), 2024, pp. 256-264

Microscopic observations of smectite cation exchange in the absence of free water: Implications for the evolution of Mars sediments

Geyer C, Elwood Madden AS, Larson PR, Elwood Madden ME

Clays and Clay Minerals, 2024

Investigating weathering signatures in terrestrial muds: Can climatic signatures be separated from provenance?

Cansu Demirel-Floyd, Gerilyn S. Soreghan, Nina D.S. Webb, Autumn Roche, Young Ji Joo, Brenda Hall, Joseph S. Levy, Andrew S. Elwood Madden, Megan E. Elwood Madden

Geological Society of America Bulletin, vol. 136(5-6), 2023, pp. 2237-2255

Red-green-bleached redox interfaces in the proximal Permian Cutler red beds: implications for regional fluid alteration

Desiree P. Hullaster, Gerilyn S. Soreghan, Ravi K. Kukkadapu, Brock S. Dumont, Kato T. Dee, Andrew S. Elwood Madden

Frontiers in Earth Science, vol. 11, 2023

The Role of Sulfate in Cation Exchange Reactions: Applications to Clay-Brine Interactions on Mars

Christopher Geyer, Andrew S. Elwood Madden, Andrew Rodriguez, Janice L. Bishop, Daniel Mason, Megan Elwood Madden

The Planetary Science Journal, vol. 4, 2023, p. 48

Dissolution of Mn-bearing dolomite drives elevated Cr(VI) occurrence in a Permian redbed aquifer

Jeffrey P. Westrop, Zachary D. Tomlinson, Brandon M. Maples, Kato T. Dee, Andrew L. Swindle, Megan E. Elwood Madden, Qinhong Hu, Andrew S. Elwood Madden

Environmental Science: Processes & Impacts, vol. 24, 2022, pp. 2419–2436

Effects of Mass Wasting on the Physiochemical Properties of Fluvial Sediments in Puerto Rico Following Hurricane Maria

N. D. S. Webb, N. R. Regmi, G. S. Soreghan, A. S. Elwood Madden, J. Sylvester, F. Cartagena Colon, C. Demirel‐Floyd, M. E. Elwood Madden

Journal of Geophysical Research: Earth Surface, vol. 127, 2022

Siderite Dissolution in Mars-analog Brines: Kinetics and Reaction Products

M. D. Cullen, C. M. Phillips-Lander, A. S. Elwood Madden, M. E. Elwood Madden

The Planetary Science Journal, vol. 2, 2021, p. 169

Aqueous alteration of pyroxene in sulfate, chloride, and perchlorate brines: Implications for post-Noachian aqueous alteration on Mars

C.M. Phillips-Lander, A.S. Elwood Madden, E.M. Hausrath, M.E. Elwood Madden

Geochimica et Cosmochimica Acta, vol. 257, 2019, pp. 336-353

Characterization of Hydration Products’ Formation and Strength Development in Cement-Stabilized Kaolinite Using TG and XRD

Wassim E. Tabet, Amy B. Cerato, Andrew S. Elwood Madden, Rolf E. Jentoft

Journal of Materials in Civil Engineering, vol. 30, 2018

Jarosite dissolution rates in perchlorate brine

Carey Legett, Brittany N. Pritchett, Andrew S. Elwood Madden, Charity M. Phillips-Lander, Megan E. Elwood Madden

Icarus, vol. 301, 2018, pp. 189–195

Can we use pyroxene weathering textures to interpret aqueous alteration conditions? Yes and No

Charity M. Phillips-Lander, Carey Legett, Andrew S. Elwood Madden, Megan E. Elwood Madden

American Mineralogist, vol. 102, 2017, pp. 1915--1921

Considering the formation of hematite spherules on Mars by freezing aqueous hematite nanoparticle suspensions

M.R. Sexton, M.E. Elwood Madden, A.L. Swindle, V.E. Hamilton, B.R. Bickmore, A.S. Elwood Madden

Icarus, vol. 286, 2017, pp. 202--211

Friction Evolution of Granitic Faults: Heating Controlled Transition From Powder Lubrication to Frictional Melt

Xiaofeng Chen, Andrew S. Elwood Madden, Ze’ev Reches

Journal of Geophysical Research: Solid Earth, vol. 122, 2017, pp. 9275–9289

The frictional strength of talc gouge in high‐velocity shear experiments

Xiaofeng Chen, Andrew S. Elwood Madden, Ze’ev Reches

Journal of Geophysical Research: Solid Earth, vol. 122, 2017, pp. 3661–3676

Using Combined TEM, Raman, XRD, and VNIR techniques to Investigate Secondary Phase Formation and Textural Relationships in Brine + Jarosite Experiments

K. Miller, C. Phillips-Lander, G. Strout, J. Bishop, A. Elwood Madden, M. Elwood Madden

Microscopy and Microanalysis, vol. 23, 2017, pp. 2144–2145

Alunite dissolution rates: Dissolution mechanisms and implications for Mars

J.L. Miller, A.S. Elwood Madden, C.M. Phillips-Lander, B.N. Pritchett, M.E. Elwood Madden

Geochimica et Cosmochimica Acta, vol. 172, 2016, pp. 93-106

Transformation of mackinawite to greigite by trichloroethylene and tetrachloroethylene

Ying Lan, Andrew S. Elwood Madden, Elizabeth C. Butler

Environ. Sci.: Processes Impacts, vol. 18, 2016, pp. 1266--1273

Assessing hydrodynamic effects on jarosite dissolution rates, reaction products, and preservation on Mars

Emily M. Dixon, Andrew S. Elwood Madden, Elisabeth M. Hausrath, Megan E. Elwood Madden

Journal of Geophysical Research: Planets, vol. 120, 2015, pp. 625-642

Biological versus mineralogical chromium reduction: potential for reoxidation by manganese oxide

Elizabeth C. Butler, Lixia Chen, Colleen M. Hansel, Lee R. Krumholz, Andrew S. Elwood Madden, Ying Lan

Environ. Sci.: Processes Impacts, vol. 17, 2015, pp. 1930-1940

Dynamic interplay between uranyl phosphate precipitation, sorption, and phase evolution

P. Sumudu Munasinghe, Megan E. Elwood Madden, Scott C. Brooks, Andrew S. Elwood Madden

Applied Geochemistry, vol. 58, 2015, pp. 147-160

Using Chromate to Investigate the Impact of Natural Organics on the Surface Reactivity of Nanoparticulate Magnetite

Andrew L. Swindle, Isabelle M. Cozzarelli, Andrew S. Elwood Madden

Environmental Science {\&} Technology, vol. 49, 2015, pp. 2156-2162

Corrigendum to "Jarosite dissolution rates and maximum lifetimes in high salinity brines: Implications for Earth and Mars"

B.N. Pritchett, M.E. Elwood Madden, A.S. Madden

Earth and Planetary Science Letters, vol. 391, 2014, pp. 67-68

Deposition of nanoparticles onto polysaccharide-coated surfaces: implications for nanoparticle–biofilm interactions

Kaoru Ikuma, Andrew S. Madden, Alan W. Decho, Boris L. T. Lau

Environ. Sci.: Nano, vol. 1, 2014, pp. 117–122

Quantifying the distribution of nanodiamonds in pre-Younger Dryas to recent age deposits along Bull Creek, Oklahoma Panhandle, USA

Leland C. Bement, Andrew S. Madden, Brian J. Carter, Alexander R. Simms, Andrew L. Swindle, Hanna M. Alexander, Scott Fine, Mourad Benamara

Proceedings of the National Academy of Sciences, vol. 111, 2014, pp. 1726–1731

Size-Dependent Reactivity of Magnetite Nanoparticles: A Field-Laboratory Comparison

Andrew L. Swindle, Andrew S. Elwood Madden, Isabelle M. Cozzarelli, Mourad Benamara

Environmental Science {\&} Technology, vol. 48, 2014, pp. 11413-11420

Synthetic Aragonite (CaCO3) as a Potential Additive in Calcium Phosphate Cements: Evaluation in Tris‐FreeSBF at 37°C

Jin H. Lee, Andrew S. Madden, Waltraud M. Kriven, A. Cuneyt Tas

Journal of the American Ceramic Society, vol. 97, 2014, pp. 3052–3061

Comparison of titanium soaked in 5M NaOH or 5M KOH solutions

Christina Kim, Matthew R. Kendall, Matthew A. Miller, Courtney L. Long, Preston R. Larson, Mary Beth Humphrey, Andrew S. Madden, A. Cuneyt Tas

Materials Science and Engineering: C, vol. 33, 2013, pp. 327–339

Constraints on superoxide mediated formation of manganese oxides

Deric R. Learman, Bettina M. Voelker, Andrew S. Madden, Colleen M. Hansel

Frontiers in Microbiology, vol. 4, 2013

Dynamic weakening by nanoscale smoothing during high-velocity fault slip

Xiaofeng Chen, Andrew S. Madden, Barry R. Bickmore, Ze’ev Reches

Geology, vol. 41, 2013, pp. 739–742

Effect of Fly Ash on the Behavior of Expansive Soils: Microscopic Analysis

B Lin, AB Cerato, Madden AS, Elwood Madden ME

Environmental & Engineering Geoscience, vol. 19, 2013, pp. 85-94

Effects of arsenic incorporation on jarosite dissolution rates and reaction products

Matthew R. Kendall, Andrew S. Madden, Megan E. Elwood Madden, Qinhong Hu

Geochimica et Cosmochimica Acta, vol. 112, 2013, pp. 192-207

Electrostatic adsorption of hematite nanoparticles on self-assembled monolayer surfaces

Boris L. T. Lau, Rixiang Huang, Andrew S. Madden

Journal of Nanoparticle Research, vol. 15, 2013

Maturation of Brushite (CaHPO 4 ·2H 2 O) and In Situ Crystallization of Brushite Micro‐Granules

Matthew A. Miller, Matthew R. Kendall, Manoj K. Jain, Preston R. Larson, Andrew S. Madden, A. Cuneyt Tas

Advances in Bioceramics and Porous Ceramics VI, 2013, pp. 77–91

Na-jarosite dissolution rates: The effect of mineral composition on jarosite lifetimes

Shayda K. Zahrai, Megan E. Elwood Madden, Andrew S. Madden, J. Donald Rimstidt

Icarus, vol. 223, 2013, pp. 438-443

Non-stirred synthesis of Na- and Mg-doped, carbonated apatitic calcium phosphate

Preston R. Larson, Andrew S. Madden, A. Cuneyt Tas

Ceramics International, vol. 39, 2013, pp. 1485–1493

Permian dust in Oklahoma: Source and origin for Middle Permian (Flowerpot-Blaine) redbeds in Western Tropical Pangaea

Alisan C. Sweet, Gerilyn S. Soreghan, Dustin E. Sweet, Michael J. Soreghan, Andrew S. Madden

Sedimentary Geology, 284–285, 2013, pp. 181–196

Scalable economic extracellular synthesis of CdS nanostructured particles by a non-pathogenic thermophile

Ji-Won Moon, Ilia N Ivanov, Chad E Duty, Lonnie J Love, Adam J Rondinone, Wei Wang, Yi-Liang Li, Andrew S Madden, Jennifer J Mosher, Michael Z Hu, Anil K Suresh, Claudia J Rawn, Hyunsung Jung, Robert J Lauf, Tommy J Phelps

Journal of Industrial Microbiology and Biotechnology, vol. 40, 2013, pp. 1263–1271

Jarosite dissolution rates and maximum lifetimes in high salinity brines: Implications for Earth and Mars

B.N. Pritchett, M.E. Elwood Madden, A.S. Madden

Earth and Planetary Science Letters, 357-358, 2012, pp. 327-336

Jarosite dissolution rates and nanoscale mineralogy

M.E. Elwood Madden, A.S. Madden, J.D. Rimstidt, S. Zahrai, M.R. Kendall, M.A. Miller

Geochimica et Cosmochimica Acta, vol. 91, 2012, pp. 306-321

Laboratory-Simulated Diagenesis of Nontronite

Matthew A. Miller, Andrew S. Madden, Megan Elwood Madden, R. Douglas Elmore

Clays and Clay Minerals, vol. 60, 2012, pp. 616-632

Long-term solid-phase fate of co-precipitated U(VI)-Fe(III) following biological iron reduction by Thermoanaerobacter

A. S. Madden, A. L. Swindle, M. J. Beazley, J.-W. Moon, B. Ravel, T. J. Phelps

American Mineralogist, vol. 97, 2012, pp. 1641–1652

Testing of Brushite (CaHPO4·2H2O) in Synthetic Biomineralization Solutions and In Situ Crystallization of Brushite Micro‐Granules

Matthew A. Miller, Matthew R. Kendall, Manoj K. Jain, Preston R. Larson, Andrew S. Madden, A. Cuneyt Tas

Journal of the American Ceramic Society, vol. 95, 2012, pp. 2178–2188

Coupled biotic–abiotic Mn(II) oxidation pathway mediates the formation and structural evolution of biogenic Mn oxides

D.R. Learman, S.D. Wankel, S.M. Webb, N. Martinez, A.S. Madden, C.M. Hansel

Geochimica et Cosmochimica Acta, vol. 75, 2011, pp. 6048–6063

Atomic Force Microscopy Method for Measuring Smectite Coefficients of Friction

Laura M. Kosoglu, Barry R. Bickmore, George M. Filz, Andrew S. Madden

Clays and Clay Minerals, vol. 58, 2010, pp. 813–820

Contrasting effects of Al substitution on microbial reduction of Fe(III) (hydr)oxides

Eileen B. Ekstrom, Deric R. Learman, Andrew S. Madden, Colleen M. Hansel

Geochimica et Cosmochimica Acta, vol. 74, 2010, pp. 7086–7099

Low-temperature mechanism for formation of coarse crystalline hematite through nanoparticle aggregation

A.S. Madden, V.E. Hamilton, M.E. Elwood Madden, P.R. Larson, M.A. Miller

Earth and Planetary Science Letters, vol. 298, 2010, pp. 377-384

Microbial Community Changes in Response to Ethanol or Methanol Amendments for U(VI) Reduction

Tatiana A. Vishnivetskaya, Craig C. Brandt, Andrew S. Madden, Meghan M. Drake, Joel E. Kostka, Denise M. Akob, Kirsten Küsel, Anthony V. Palumbo

Applied and Environmental Microbiology, vol. 76, 2010, pp. 5728–5735

Bioreduction of hematite nanoparticles by the dissimilatory iron reducing bacterium Shewanella oneidensis MR-1

Saumyaditya Bose, Michael F. Hochella, Yuri A. Gorby, David W. Kennedy, David E. McCready, Andrew S. Madden, Brian H. Lower

Geochimica et Cosmochimica Acta, vol. 73, 2009, pp. 962–976

Donor‐dependent Extent of Uranium Reduction for Bioremediation of Contaminated Sediment Microcosms

Andrew S. Madden, Anthony V. Palumbo, Bruce Ravel, Tatiana A. Vishnivetskaya, Tommy J. Phelps, Christopher W. Schadt, Craig C. Brandt

Journal of Environmental Quality, vol. 38, 2009, pp. 53–60

How long was Meridiani Planum wet? Applying a jarosite stopwatch to determine the duration of aqueous diagenesis

M. E. Elwood Madden, A. S. Madden, J. D. Rimstidt

Geology, vol. 37, 2009, pp. 635-638

Integrating the Sciences to Investigate Groundwater Pollution

Julie R. Grady, Andrew S. Madden

Science Activities: Classroom Projects and Curriculum Ideas, vol. 46, 2009, pp. 7–14

Microbial uranium immobilization independent of nitrate reduction

Andrew S. Madden, April C. Smith, David L. Balkwill, Lisa A. Fagan, Tommy J. Phelps

Environmental Microbiology, vol. 9, 2007, pp. 2321–2330

Nano2Earth: Incorporating Cutting-edge Research into Secondary Education Through Scientist-Educator Partnerships

A. S. Madden, A.M.C. Knefel, J. R. Grady, G. E. Glasson, M.H. Hochella, S. C. Eriksson, T. L. Bank, K. Cecil, A. M. Green, A. N. Hurst, M. Norris, M. E. Schreiber

Journal of Geoscience Education, vol. 55, 2007, pp. 402–412

Size-dependent structural transformations of hematite nanoparticles. 1. Phase transition

I. V. Chernyshova, M. F. Hochella Jr, A. S. Madden

Physical Chemistry Chemical Physics, vol. 9, 2007, p. 1736

Insights for size-dependent reactivity of hematite nanomineral surfaces through Cu2+ sorption

Andrew S. Madden, Michael F. Hochella, Todd P. Luxton

Geochimica et Cosmochimica Acta, vol. 70, 2006, pp. 4095–4104

A test of geochemical reactivity as a function of mineral size: Manganese oxidation promoted by hematite nanoparticles

Andrew S. Madden, Michael F. Hochella

Geochimica et Cosmochimica Acta, vol. 69, 2005, pp. 389–398

Earth’s Nano-Compartment for Toxic Metals

M. F. Hochella, A. S. Madden

Elements, vol. 1, 2005, pp. 199–203

Morphological and Chemical/Physical Characterization of Fe-Doped Synthetic Chrysotile Nanotubes

E. Foresti, M. F. Hochella, H. Kornishi, I. G. Lesci, A. S. Madden, N. Roveri, H. Xu

Advanced Functional Materials, vol. 15, 2005, pp. 1009–1016

Powder Rolling as a Mechanism of Dynamic Fault Weakening

Xiaofeng Chen, Andrew S. Elwood Madden, Ze’ev Reches

Geophysical Monograph Series, Marion Y. Thomas, M. Mitchell Thomas, Harsha S. Bha, Fault Zone Dynamic Processes: Evolution of Fault Properties During Seismic Rupture, chapter 7, Wiley, American Geophysical Union, 2017, pp. 133–150

Scanning Electron Microscopy of Garnet from Southern Michigan Soils: Etching Rates and Inheritance of Pre-Glacial and Pre-Pedogenic Grain-Surface Textures

Michael A. Velbel, Jennifer T. Mcguire, Andrew S. Madden

Heavy Minerals in Use, chapter 15, Elsevier, 2007, pp. 413–432

Welcome to Nanoscience: Interdisciplinary Environmental Explorations, Grades 9–12

Madden AS, MF Hochella Jr., Glasson GE, Grady JR, Bank TL, Green AM, Norris MA, Hurst AN, Eriksson SC

Welcome to Nanoscience: Interdisciplinary Environmental Explorations, Grades 9–12, National Science Teaching Association Press, 2011