Mississippi Valley-Type lead-zinc district
E615931
The Mississippi Valley-Type lead-zinc district is a class of ore deposits characterized by stratabound concentrations of lead and zinc sulfides hosted in carbonate rocks, typically formed from low-temperature, basin-derived mineralizing fluids.
Observed surface forms (1)
| Surface form | Occurrences |
|---|---|
| Lead mining region of Upper Mississippi Valley | 1 |
Statements (51)
| Predicate | Object |
|---|---|
| instanceOf |
mineral deposit model
ⓘ
ore deposit type ⓘ |
| distinguishedFrom |
porphyry copper deposits
ⓘ
sedimentary exhalative deposits ⓘ volcanogenic massive sulfide deposits ⓘ |
| fluidSource | basinal brines ⓘ |
| fluidTemperature | low-temperature ⓘ |
| geneticProcess |
basin dewatering
ⓘ
hydrothermal fluid flow ⓘ metal transport in chloride brines ⓘ sulfide precipitation ⓘ |
| geochemicalEnvironment | reduced sulfur-rich conditions ⓘ |
| hasAlteration |
carbonate dissolution
ⓘ
dolomitization ⓘ sulfidization ⓘ |
| hasCommodity |
lead
ⓘ
zinc ⓘ |
| hasMineral |
barite
ⓘ
calcite ⓘ dolomite ⓘ fluorite ⓘ galena ⓘ marcasite ⓘ pyrite ⓘ sphalerite ⓘ |
| hostRock |
carbonate rocks
ⓘ
dolostone ⓘ limestone ⓘ |
| metalAssociation | lead-zinc-barium-fluorine ⓘ |
| oreBodyStyle |
replacement deposit
ⓘ
stratabound ⓘ vein and breccia fill ⓘ |
| oreControl |
lithologic controls
ⓘ
stratigraphic controls ⓘ structural controls ⓘ |
| precipitationMechanism |
cooling of fluids
ⓘ
mixing of fluids ⓘ reaction with carbonate host rocks ⓘ |
| tectonicSetting |
foreland basins
ⓘ
passive margin basins ⓘ sedimentary basins ⓘ |
| typicalAgeRange |
Mesozoic
ⓘ
Paleozoic ⓘ |
| typicalOreTexture |
breccia cement
ⓘ
open-space filling ⓘ replacement textures ⓘ |
| typicalStructure |
fault-controlled
ⓘ
fracture-controlled ⓘ karst-related ⓘ |
| usedIn |
mineral exploration models
ⓘ
resource assessment studies ⓘ |
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.
Empire District of the Tri-State mining district
→
geologicalType
→
Mississippi Valley-Type lead-zinc district
ⓘ
this entity surface form:
Lead mining region of Upper Mississippi Valley