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| Contents | 2 |
| Scientific articles | |
|
Mineralogical and isotope geochemistry of gold ore occurrences |
4—10 |
|
Petrographic features of ignimbrites and pumice tuffs |
11—15 |
|
Petrographic composition and lithochemical characteristic |
16—23 |
|
Upper Llandovery and Lower Wenlock boundary of the Central part |
24—30 |
|
Geochemical distinctive criteria of Lower and Middle Devonian volcaniclastic graywackes |
31—35 |
| Chronicle, events, facts | |
| 36—37 | |
| 37 | |
| 38 | |
| 39—41 | |
| 42 | |
| 43—47 | |
| 47—47 |