Abstract
Pyrite rich in Zn, up to 3.1 wt%, was found in the TAG active mound of the TAG hydrothermal field, the slow-spreading Mid-Atlantic Ridge at 26°08′N and 44°49′W. The Zn-rich pyrite is characterized by an optical homogeneity, a homogeneous distribution of Zn in the back-scattered electron images, both at a magnification of about 500, a negative correlation between Fe and Zn contents of the pyrite and a rather small unit cell edge (a0 = 5.4117 ± 0.0008Å), strongly indicating that the detected Zn is present in the pyrite in solid solution. Such Zn concentrations are observed exclusively in dendritic pyrite, suggesting that the Zn-rich pyrite grew from hydrothermal fluids of a high degree of supersaturation due to quenching on the seafloor.
| Original language | English |
|---|---|
| Pages (from-to) | 63-68 |
| Number of pages | 6 |
| Journal | Resource Geology |
| Volume | 51 |
| Issue number | 1 |
| DOIs | |
| Publication status | Published - Mar 1 2001 |
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Keywords
- Dendritic growth texture
- Mid-Atlantic Ridge
- Solid solution
- TAG active mound
- TAG hydrothermal field
- Zn-rich pyrite
ASJC Scopus subject areas
- Geology
- Geochemistry and Petrology
Cite this
Zinc-rich pyrite from the TAG active mound, the TAG hydrotherma field, Mid-Atlantic Ridge. / Lee, Su Young; Ohnishi, Masatsugu; Shibata, Yasuhiro; Watanabe, Makoto; Hoshino, Kenichi; Jige, Mayum; Gu, Xiangping; Chiba, Hitoshi; Oomori, Tamotsu; Fujioka, Kantaro; Rona, Peter A.
In: Resource Geology, Vol. 51, No. 1, 01.03.2001, p. 63-68.Research output: Contribution to journal › Article
}
TY - JOUR
T1 - Zinc-rich pyrite from the TAG active mound, the TAG hydrotherma field, Mid-Atlantic Ridge
AU - Lee, Su Young
AU - Ohnishi, Masatsugu
AU - Shibata, Yasuhiro
AU - Watanabe, Makoto
AU - Hoshino, Kenichi
AU - Jige, Mayum
AU - Gu, Xiangping
AU - Chiba, Hitoshi
AU - Oomori, Tamotsu
AU - Fujioka, Kantaro
AU - Rona, Peter A.
PY - 2001/3/1
Y1 - 2001/3/1
N2 - Pyrite rich in Zn, up to 3.1 wt%, was found in the TAG active mound of the TAG hydrothermal field, the slow-spreading Mid-Atlantic Ridge at 26°08′N and 44°49′W. The Zn-rich pyrite is characterized by an optical homogeneity, a homogeneous distribution of Zn in the back-scattered electron images, both at a magnification of about 500, a negative correlation between Fe and Zn contents of the pyrite and a rather small unit cell edge (a0 = 5.4117 ± 0.0008Å), strongly indicating that the detected Zn is present in the pyrite in solid solution. Such Zn concentrations are observed exclusively in dendritic pyrite, suggesting that the Zn-rich pyrite grew from hydrothermal fluids of a high degree of supersaturation due to quenching on the seafloor.
AB - Pyrite rich in Zn, up to 3.1 wt%, was found in the TAG active mound of the TAG hydrothermal field, the slow-spreading Mid-Atlantic Ridge at 26°08′N and 44°49′W. The Zn-rich pyrite is characterized by an optical homogeneity, a homogeneous distribution of Zn in the back-scattered electron images, both at a magnification of about 500, a negative correlation between Fe and Zn contents of the pyrite and a rather small unit cell edge (a0 = 5.4117 ± 0.0008Å), strongly indicating that the detected Zn is present in the pyrite in solid solution. Such Zn concentrations are observed exclusively in dendritic pyrite, suggesting that the Zn-rich pyrite grew from hydrothermal fluids of a high degree of supersaturation due to quenching on the seafloor.
KW - Dendritic growth texture
KW - Mid-Atlantic Ridge
KW - Solid solution
KW - TAG active mound
KW - TAG hydrothermal field
KW - Zn-rich pyrite
UR - http://www.scopus.com/inward/record.url?scp=0042330200&partnerID=8YFLogxK
UR - http://www.scopus.com/inward/citedby.url?scp=0042330200&partnerID=8YFLogxK
U2 - 10.1111/j.1751-3928.2001.tb00082.x
DO - 10.1111/j.1751-3928.2001.tb00082.x
M3 - Article
AN - SCOPUS:0042330200
VL - 51
SP - 63
EP - 68
JO - Resource Geology
JF - Resource Geology
SN - 1344-1698
IS - 1
ER -