A spherical electron-channelling pattern map for use in quartz petrofabric analysis
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Abstract
Electron channelling patterns (ECP's) are formed in the scanning electron microscope (SEM) by the interaction between the incident electrons and the lattice of crystalline specimens. The patterns are unique for a particular crystallographic orientation and are therefore of considerable potential in petrofabric studies provided they can be accurately indexed. Indexing requires an ECP-map of the crystallographic stereogram or unit triangle covering all possible orientations and hence ECP patterns. Due to the presence of long-range distortions in planar ECP-maps, it is more convenient to construct the maps over a spherical surface. This also facilitates the indexing of individual ECP's. A spherical ECP-map for quartz is presented together with an example of its use in petrofabric analysis.
| Publication type | Article |
|---|---|
| Publication Subtype | Journal Article |
| Title | A spherical electron-channelling pattern map for use in quartz petrofabric analysis |
| Series title | Journal of Structural Geology |
| DOI | 10.1016/0191-8141(86)90002-7 |
| Volume | 8 |
| Issue | 5 |
| Year Published | 1986 |
| Language | English |
| Publisher | Elsevier |
| Description | 10 p. |
| First page | 517 |
| Last page | 526 |
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