Presentation and interpretation of chemical data for igneous rocks
Contributions to Mineralogy and Petrology
By: T. L. Wright
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Abstract
Arguments are made in favor of using variation diagrams to plot analyses of igneous rocks and their derivatives and modeling differentiation processes by least-squares mixing procedures. These methods permit study of magmatic differentiation and related processes in terms ofall of the chemical data available. Data are presented as they are reported by the chemist and specific processes may be modeled and either quantitatively described or rejected as inappropriate or too simple.
Examples are given of the differing interpretations that can arise when data are plotted on an AEM ternary vs. the same data on a full set of MgO variation diagrams. Mixing procedures are illustrated with reference to basaltic lavas from the Columbia Plateau.
Study Area
| Publication type | Article |
|---|---|
| Publication Subtype | Journal Article |
| Title | Presentation and interpretation of chemical data for igneous rocks |
| Series title | Contributions to Mineralogy and Petrology |
| DOI | 10.1007/BF00951332 |
| Volume | 48 |
| Issue | 4 |
| Year Published | 1974 |
| Language | English |
| Publisher | Springer |
| Description | 16 p. |
| First page | 233 |
| Last page | 248 |
| Country | United States |
| State | Idaho, Washington, Oregon |
| Other Geospatial | Columbia Plateau |
| Google Analytic Metrics | Metrics page |