Palladium, platinum, and gold distribution in serpentinite seamounts in the Mariana and Izu-Bonin Forearcs: evidence from Leg 125 fluids and serpentinites

I. J. Parkinson; G. E M Hall; J. A. Pearce

Palladium, platinum, and gold distribution in serpentinite seamounts in the Mariana and Izu-Bonin Forearcs: evidence from Leg 125 fluids and serpentinites

I. J. Parkinson, G. E M Hall, J. A. Pearce

School of Earth Sciences

Research output: Chapter in Book/Report/Conference proceeding › Chapter in a book

3 Citations (Scopus)

Abstract

Palladium, platinum, and gold were analyzed for 20 interstitial water samples from Leg 125. No Pd or Pt was detected in fluids from serpentinite muds from Conical Seamount in the Mariana forearc, indcating that low-temperature seawater-peridotite interaction does not mobilize these elements into the serpentinizing fluids. However, Au may be mobilized in high pH solutions. In contrast, fluids from vitric-rich clays on the flanks of the Torishima Seamount in the Izu-Bonin forearc have Pd values of between 4.0 and 11.8 nmol/L, Pt values between 2.3 and 5.0 nmol/L and Au values between 126.9 and 1116.9 nmol/L. The precious metals are mobilized, and possibly adsorbed onto clay mineral surfaces, during diagenesis and burial of the volcanic-rich clays. -from Authors

Original language	English
Title of host publication	Proc., scientific results, ODP, Leg 125, Bonin/Mariana region
Editors	P. Fryer, J.A. Pearce
Publisher	ODP, Texas A&M University, College Station
Pages	507-518
Number of pages	12
Publication status	Published - 1 Dec 1992

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Parkinson, I. J., Hall, G. E. M., & Pearce, J. A. (1992). Palladium, platinum, and gold distribution in serpentinite seamounts in the Mariana and Izu-Bonin Forearcs: evidence from Leg 125 fluids and serpentinites. In P. Fryer, & J. A. Pearce (Eds.), Proc., scientific results, ODP, Leg 125, Bonin/Mariana region (pp. 507-518). ODP, Texas A&M University, College Station.

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title = "Palladium, platinum, and gold distribution in serpentinite seamounts in the Mariana and Izu-Bonin Forearcs: evidence from Leg 125 fluids and serpentinites",

abstract = "Palladium, platinum, and gold were analyzed for 20 interstitial water samples from Leg 125. No Pd or Pt was detected in fluids from serpentinite muds from Conical Seamount in the Mariana forearc, indcating that low-temperature seawater-peridotite interaction does not mobilize these elements into the serpentinizing fluids. However, Au may be mobilized in high pH solutions. In contrast, fluids from vitric-rich clays on the flanks of the Torishima Seamount in the Izu-Bonin forearc have Pd values of between 4.0 and 11.8 nmol/L, Pt values between 2.3 and 5.0 nmol/L and Au values between 126.9 and 1116.9 nmol/L. The precious metals are mobilized, and possibly adsorbed onto clay mineral surfaces, during diagenesis and burial of the volcanic-rich clays. -from Authors",

author = "Parkinson, {I. J.} and Hall, {G. E M} and Pearce, {J. A.}",

year = "1992",

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Palladium, platinum, and gold distribution in serpentinite seamounts in the Mariana and Izu-Bonin Forearcs : evidence from Leg 125 fluids and serpentinites. / Parkinson, I. J.; Hall, G. E M; Pearce, J. A.

Proc., scientific results, ODP, Leg 125, Bonin/Mariana region. ed. / P. Fryer; J.A. Pearce. ODP, Texas A&M University, College Station, 1992. p. 507-518.

Research output: Chapter in Book/Report/Conference proceeding › Chapter in a book

TY - CHAP

T1 - Palladium, platinum, and gold distribution in serpentinite seamounts in the Mariana and Izu-Bonin Forearcs

T2 - evidence from Leg 125 fluids and serpentinites

AU - Parkinson, I. J.

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AB - Palladium, platinum, and gold were analyzed for 20 interstitial water samples from Leg 125. No Pd or Pt was detected in fluids from serpentinite muds from Conical Seamount in the Mariana forearc, indcating that low-temperature seawater-peridotite interaction does not mobilize these elements into the serpentinizing fluids. However, Au may be mobilized in high pH solutions. In contrast, fluids from vitric-rich clays on the flanks of the Torishima Seamount in the Izu-Bonin forearc have Pd values of between 4.0 and 11.8 nmol/L, Pt values between 2.3 and 5.0 nmol/L and Au values between 126.9 and 1116.9 nmol/L. The precious metals are mobilized, and possibly adsorbed onto clay mineral surfaces, during diagenesis and burial of the volcanic-rich clays. -from Authors

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