Disseminated flake graphite and amorphous graphite deposit types. An analysis using grade and tonnage models
CIM Bulletin
By: David M. Sutphin and James D. Bliss
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Abstract
On the basis of differences derived from genetic, descriptive, and grade-tonnage data, graphite deposits are classified here into three deposit types: disseminated flake, amorphous (microcrystalline), or graphite veins. Descriptive models have been constructed for each of these deposit types, and grade-tonnage models are constructed for disseminated flake and amorphous deposit types. Grade and tonnage data are used also to construct grade-tonnage models that assist in predicting the size and grade of undiscovered graphite deposits. The median tonnage and carbon grade of disseminated flake deposits are 240 000 tonnes and 9% carbon and for amorphous deposits, 130 000 tonnes and 40% carbon. The differences in grade between disseminated flake and amorphous deposit types are statistically significant, whereas the differences in amount of contained carbon are not.
| Publication type | Article |
|---|---|
| Publication Subtype | Journal Article |
| Title | Disseminated flake graphite and amorphous graphite deposit types. An analysis using grade and tonnage models |
| Series title | CIM Bulletin |
| Volume | 83 |
| Issue | 940 |
| Year Published | 1990 |
| Language | English |
| Larger Work Type | Article |
| Larger Work Subtype | Journal Article |
| Larger Work Title | CIM Bulletin |
| First page | 85 |
| Last page | 89 |
| Google Analytic Metrics | Metrics page |