Derek R. Knaack
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View article: Arsenic fate in the historic Cobalt Mining Camp, Ontario: Geochemical, mineralogical, and vegetation-related controls on metal(loid) mobility
Arsenic fate in the historic Cobalt Mining Camp, Ontario: Geochemical, mineralogical, and vegetation-related controls on metal(loid) mobility Open
This study investigates the controls on metal(loid) mobility from mine tailings and pond sediments near Cobalt, Ontario with a focus on arsenic (As), which is present at high concentrations throughout this former mining district. Mineralog…
View article: Subduction and melting of biogenic and ferromanganese sediments as evidenced by sub-Moho granitoids
Subduction and melting of biogenic and ferromanganese sediments as evidenced by sub-Moho granitoids Open
View article: Using oxygen (δ18O, δ17O) and hydrogen (δ2H) isotopes in the Northern Limb of the Bushveld Igneous Complex to assess the extent of footwall contamination
Using oxygen (δ18O, δ17O) and hydrogen (δ2H) isotopes in the Northern Limb of the Bushveld Igneous Complex to assess the extent of footwall contamination Open
View article: Insights on the formation of layered ferromanganese precipitates from the southern Mariana Arc, West Pacific, from micron-scale major, minor, and trace element variations
Insights on the formation of layered ferromanganese precipitates from the southern Mariana Arc, West Pacific, from micron-scale major, minor, and trace element variations Open
View article: Multi‐zone fusion crust formation and classification of the 2004 Auckland meteorite (<scp>L6</scp>, <scp>S5</scp>, and <scp>W0</scp>)
Multi‐zone fusion crust formation and classification of the 2004 Auckland meteorite (<span>L6</span>, <span>S5</span>, and <span>W0</span>) Open
On June 12, 2004, a meteorite passed through Earth's atmosphere and landed under the television in the living room of a house in Auckland, New Zealand. Textural characteristics, the chemistry of olivine (Fa 23–24 ) and orthopyroxene (Fs 20…
View article: Thallium isotopes as indicators of ore mineralization at the Zn-rich sediment-hosted massive sulfide TL Deposit, British Columbia, Canada
Thallium isotopes as indicators of ore mineralization at the Zn-rich sediment-hosted massive sulfide TL Deposit, British Columbia, Canada Open
Appendix A–D.
View article: Bulk and triple oxygen isotope geochemistry of marine ferromanganese crusts, nodules, and deposits
Bulk and triple oxygen isotope geochemistry of marine ferromanganese crusts, nodules, and deposits Open
Ferromanganese (Fe-Mn) crusts, nodules, and deposits are chemical precipitates that are ubiquitous in the global ocean and contain valuable metals and metalloids. The chemical and mineralogical composition of Fe-Mn precipitates from the so…