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Title: Lithological controls on soil geochemistry and clay mineralogy across Spodosols in the coastal temperate rainforest of southeast Alaska

Journal Article · · Geoderma
ORCiD logo [1]; ORCiD logo [2];  [3];  [4]; ORCiD logo [5]; ORCiD logo [6];  [7]; ORCiD logo [8]; ORCiD logo [6]
  1. Univ. of Alaska, Fairbanks, AK (United States); US Dept. of Agriculture (USDA), Juneau, AK (United States). Pacific Northwest Research Station
  2. Bates College, Lewiston, ME (United States)
  3. Oregon State Univ., Corvallis, OR (United States)
  4. Univ. of California, Davis, CA (United States)
  5. Univ. of Nebraska, Omaha, NE (United States)
  6. US Dept. of Agriculture (USDA), Juneau, AK (United States). Pacific Northwest Research Station
  7. Univ. of Alaska, Fairbanks, AK (United States)
  8. Pacific Northwest National Laboratory (PNNL), Richland, WA (United States)

The interaction of similar soil forming factors with different parent materials determines soil chemical weathering, influencing soil processes and properties. In the coastal temperate rainforests of southeast Alaska, Spodosols is the dominant soil order in well-drained parent materials regardless of the lithology. Yet, the role of lithology on chemical weathering, base cation depletion, and mineral transformation during pedogenesis remains elusive. Here, we established a lithosequence comprised of soils derived from tonalite, phyllite, slate, and metavolcanic rocks to test the hypothesis that despite the soils in southeast Alaska presenting similar taxonomy and morphology, the influence of lithology in chemical weathering intensity and mineralogy can be detected. We evaluated physicochemical properties, clay mineralogy, Fe-Al oxides, chemical weathering, and elemental mass balance on eleven Spodosols sampled along the lithosequence. We also propose a new weathering index, the Weathering Index for Spodosols (WISP), suitable to evaluate the weathering degree of soils with Al mobility and base-rich parent materials. This index fills a gap in traditional weathering indices that uses Al as an immobile element and/or does not evaluate the leaching of main base cations. We found the pedons across the lithosequence expressed similar physicochemical properties, with predominantly thick profiles, presenting andic properties, relatively thick spodic horizons, and thin E horizons. Podzolization imposed similar mineral transformation trends, mainly dissolution of chlorite, mica alteration to interstratified mica-vermiculite, and formation of smectite in E horizons. Kaolinite was detected in the soils from all lithologies, but only in trace amounts in phyllite soils. Fe oxides depth distribution was similar but with a higher concentration in the slate (44.5 ± 4.2 g/kg), followed by metavolcanic (31.6 ± 4.0 g/kg), phyllite (27.9 ± 3.8 g/kg), and tonalite soils (19.9 ± 5.7 g/kg) and predominantly as organometallic complexes (extracted by Na-pyrophosphate). The stronger weathering of chlorite and mica in the E horizons was reflected in larger losses of Mg and K, while Ca and Na were more depleted in the spodic horizons, suggesting plagioclase weathering. Slate soils were the most depleted in base cations, followed by phyllite, tonalite, and metavolcanic soils. The more depleted status of slate soils was supported by the higher WISP values (WISP = 62), followed by phyllite (WISP = 55), tonalite (WISP = 53), and metavolcanic soils (WISP = 45). Our results demonstrated that lithology controlled elemental depletion intensities, Fe oxide concentrations, and partially the clay fraction mineralogy in addition to podzolization acting as a dominant pedogenic process across all sites. These findings advance our understanding of the role of lithology on soil mineralogy/geochemistry that impacts critical soil functions, such as the soil carbon cycle, elemental fluxes, organo-mineral interactions, and solid-solution reactions.

Research Organization:
Pacific Northwest National Lab. (PNNL), Richland, WA (United States)
Sponsoring Organization:
USDOE Office of Science (SC), Biological and Environmental Research (BER)
Grant/Contract Number:
AC05-76RL01830
OSTI ID:
1975256
Report Number(s):
PNNL-SA-184413
Journal Information:
Geoderma, Vol. 428; ISSN 0016-7061
Publisher:
ElsevierCopyright Statement
Country of Publication:
United States
Language:
English

References (90)

The weathering of ferruginous chlorite in a podzol from argyllshire, Scotland journal March 1977
Pedogenic and geochemical processes of ultramafic soils along a climatic gradient in southwestern British Columbia journal May 1994
Mass fluxes and clay mineral formation in soils developed on slope deposits of the Kowarski Grzbiet (Karkonosze Mountains, Czech Republic/Poland) journal February 2016
Clay Mineral Formation During Podzolization in an Alpine Environment of the Tatra Mountains, Poland journal December 2007
Possible refugia in the Alexander Archipelago of southeastern Alaska during the late Wisconsin glaciation journal February 2007
Comparing podzolization under different bioclimatic conditions journal November 2020
Soil organic matter in major pedogenic soil groups journal February 2021
Large, climate-sensitive soil carbon stocks mapped with pedology-informed machine learning in the North Pacific coastal temperate rainforest journal January 2019
Conditions favoring local podzolization in soils developed from flysch regolith – A case study from the Bieszczady Mountains in southeastern Poland journal January 2021
Pedogenic iron-manganese nodules in Vertisols: A new proxy for paleoprecipitation? journal January 2001
Soil hydroxy-interlayered minerals: a re-interpretation of their crystallochemical properties journal August 2007
Pedogenesis across a climatic gradient in tropical high mountains, Cordillera Blanca — Peruvian Andes journal December 2016
Dissolution rates of phyllosilicates as a function of bacterial metabolic diversity journal October 2010
Evidence of titanium mobility in soil profiles, Manaus, central Amazonia journal September 1999
GeoReM: A New Geochemical Database for Reference Materials and Isotopic Standards journal November 2005
Differenzierung der Eisenoxide des Bodens durch Extraktion mit Ammoniumoxalat-Lösung journal January 1964
Hydromorphic Soil Development in the Coastal Temperate Rainforest of Alaska journal March 2015
Naturally Weathered Plagioclase Grains from the Idaho Batholith: Observations Using Scanning Electron Microscopy journal May 1993
Soil Development on the Recessional Moraines of the Herbert and Mendenhall Glaciers, South-Eastern Alaska journal April 1957
The role of organic acids in the soil solution chemistry of a podzolized soil journal March 1993
DITHIONITE- AND OXALATE-EXTRACTABLE Fe AND Al AS AIDS IN DIFFERENTIATING VARIOUS CLASSES OF SOILS journal February 1966
Dynamic interactions at the mineral–organic matter interface journal May 2021
Early Proterozoic climates and plate motions inferred from major element chemistry of lutites journal October 1982
Chemical weathering of mafic rocks in boreal subarctic environment (northwest Russia) under influence of glacial moraine deposits journal March 2019
Soil development on moraines of Mendenhall Glacier, southeast Alaska. 1. The moraines and soil morphology journal July 1996
Roles of iron and clay in Genesis of acid soils under a humid, temperate climate journal March 1978
Poorly crystalline minerals protect organic carbon in clay subfractions from acid subsoil horizons journal September 2005
Characteristics of Clay Minerals in Podzols and Podzolic Soils journal April 2005
Soil Carbon Dynamics Across a Windthrow Disturbance Sequence in Southeast Alaska journal August 2004
Soil weathering and accumulation rates of oxalate-extractable phases derived from alpine chronosequences of up to 1Ma in age journal May 2012
Clay mineral formation in soils of two different chronosequences in the Swiss Alps journal November 2001
Podzol development with time in sandy beach deposits in southern Norway journal August 2008
Lateral Podzolization in a Granite Landscape journal July 2000
Differentiation of Forms of Extractable Iron and Aluminum in Soils1 journal January 1971
Parent Materials and Chemical Properties of Mineral Soils in Southeast Alaska journal January 1974
Dissolved carbon leaching from soil is a crucial component of the net ecosystem carbon balance: DISSOLVED CARBON LEACHING journal January 2011
Holocene soil-geomorphic surfaces influence the role of salmon-derived nutrients in the coastal temperate rainforest of Southeast Alaska journal March 2011
Protolith Relations of the Gravina Belt and Yukon-Tanana Terrane in Central Southeastern Alaska journal January 1992
Formulation of Pedologic mass Balance Based on Immobile Elements: a Revision journal January 2000
The podzolization process. A review journal February 2000
Magnesium and Potassium Release by Weathering in Spodosols: Grain Surface Coating Effects journal July 1996
Evolution of soil erosion rates in alpine soils of the Central Rocky Mountains using fallout Pu and δ13C journal August 2018
Iron Oxide Removal from Soils and Clays by a Dithionite-Citrate System Buffered with Sodium Bicarbonate journal January 1958
Weathering rates as a function of climate: results from a climosequence of the Val Genova (Trentino, Italian Alps) journal January 2003
Pedogenic Smectites in Podzols from Central Finland: An Analytical Electron Microscopy Study journal January 2000
Weathering of Hornblende to Ferruginous Products by a Dissolution-Reprecipitation Mechanism: Petrography and Stoichiometry journal January 1989
Influence of parent material on clay minerals formation in Podzols of Trentino, Italy journal December 2002
Podzolization in Ultramafic Materials in Southeast Alaska journal January 1994
Climate-driven thresholds in reactive mineral retention of soil carbon at the global scale journal November 2018
Podzol: Soil of the Year 2007. A review on its genesis, occurrence, and functions journal October 2007
Andic Soil Properties of Spodosols in Nonvolcanic Materials of Southeast Alaska journal March 1993
Podzol formation in sandy soils of Finland journal June 2004
Rates of weathering and chemical depletion in soils across a chronosequence of Lake Michigan sand dunes journal September 1998
Argillic Horizon Expression and Classification in the Soils of Two Michigan Hydrosequences journal July 1986
The Time Required for Podzol Profile Formation as Evidenced by the Mendenhall Glacial Deposits Near Juneau, Alaska journal January 1943
New constraints on the last deglaciation of the Cordilleran Ice Sheet in coastal Southeast Alaska journal May 2020
Nature and origin of an aluminous vermiculitic weathering product in acid soils from upland catchments in Scotland journal December 1990
Cation-Ratio Dating: A New Rock Varnish Age-Determination Technique journal July 1983
Scanning electron microscope method for rock-varnish dating journal January 1987
Parent Material Uniformity and Origin of Silty Soils in Northwest Arkansas Based on Zirconium-Titanium Contents journal March 1968
Rapid Soil Development After Windthrow Disturbance in Pristine Forests journal October 1995
An examination of podzolization near Lake Michigan using chronofunctions journal November 1992
Quantitative geochemical approach to pedogenesis: importance of parent material reduction, volumetric expansion, and eolian influx in lateritization journal November 1991
Soil development on moraines of Mendenhall Glacier, southeast Alaska. 2. Chemical transformations and soil micromorphology journal July 1996
From a black to a gray box — a mass balance interpretation of pedogenesis journal September 1990
Deglaciation of the Pacific coastal corridor directly preceded the human colonization of the Americas journal May 2018
Podzols and Podzolization in Temperate Regions journal July 1987
The origin and formation of clay minerals in soils: past, present and future perspectives journal March 1999
Weathering of the primary rock-forming minerals: processes, products and rates journal September 2004
Rate of Podzolic soil Formation near Hudson bay, Ontario journal February 1984
Podzolic soil Development in the Southern James bay Lowlands, Ontario journal May 1988
Organo-mineral associations in temperate soils: Integrating biology, mineralogy, and organic matter chemistry journal February 2008
Stabilization mechanisms of organic matter in four temperate soils: Development and application of a conceptual model journal February 2008
Podzolisation and soil organic matter dynamics journal March 2005
Weathering of Soils in Alpine Areas as Influenced by Climate and Parent Material journal June 2004
Stabilization of organic matter by soil minerals — investigations of density and particle-size fractions from two acid forest soils journal August 2002
Conditions for Formation of Allophane in Soils journal May 1989
Controls on Soil Organic Carbon Partitioning and Stabilization in the California Sierra Nevada journal July 2018
Rock weathering controls the potential for soil carbon storage at a continental scale journal November 2021
Dissolved organic matter, aluminium and iron interactions: precipitation induced by metal/carbon ratio, pH and competition journal December 2002
Use of Quartz, Zirconium and Titanium as Indices in Pedological Studies journal October 1971
A soil Chronosequence on Beach Sands, Vancouver Island, British Columbia journal November 1987
Mobility of Fe(II), Fe(III) and Al in acidic forest soils mediated by dissolved organic matter: influence of solution pH and metal/organic carbon ratios journal May 2003
Characterization of Hydroxy-Interlayered Vermiculite and Illite/Smectite Interstratified Minerals from the Weathering of Chlorite in a Cryorthod journal January 1993
Stabilization of organic matter in temperate soils: mechanisms and their relevance under different soil conditions - a review journal August 2006
Chemostratigraphy and magnetic susceptibility of the Late Devonian Frasnian–Famennian transition in western Canada and southern China: implications for carbon and nutrient cycling and mass extinction
  • Whalen, Michael T.; Śliwiński, Maciej G.; Payne, Joshua H.
  • Geological Society, London, Special Publications, Vol. 414, Issue 1 https://doi.org/10.1144/SP414.8
journal January 2015
Metal and organic matter immobilization in temperate podzols: A high resolution study journal April 2014
Podzolic soils of Canada: Genesis, distribution, and classification journal October 2011
Lithologic Discontinuities in some Soils on Drumlins: Theory, Detection, and Application journal July 1998
Ferro-Humic Podzols of Coastal British Columbia: II. Micromorphology and Genesis journal March 1989

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