|
Samples used in this study. |
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| Sample ID |
Source |
Morphology |
Petrogenetic Environment |
Mineralogy |
Molar S/Fe |
|
|
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| HY-001 |
Wards Natural Science |
Euhedral cube |
hydrothermal |
pyrite |
2.01 |
| HY-002 |
Rock Currier, personal communication |
Euhedral cube |
hydrothermal |
pyrite |
2.02 |
| SED-001 |
Lower Kittanning coal, OH |
nodular |
sedimentary, within coal |
pyrite |
2.02 |
| SED-002 |
Texas |
nodular |
sedimentary, within coal |
pyrite |
1.97 |
| SED-003 |
Calvert Bluff Formation, Texas |
spherical nodule |
sedimentary, within coal |
pyrite with minor quartz |
1.97 |
|
Composition was determined using x-ray diffraction and molar S:Fe ratio for each sample. All samples had a molar S:Fe ratio of 2:1, indicating insignificant contribution from other species. | |||||
Wolfe et al. Geochemical Transactions 2007 8:9 doi:10.1186/1467-4866-8-9 |
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