- Acarbonaceouselectrodeinanelectriccell.Therearemineralsabsorbinguranium:zeolite,montmorillonite,carbonaceousmatter.Todraw,write,orblackenwithablack,carbonaceousmaterial.InYutangba,nativeseextensivelyexistswithinSe-richcarbonaceousrocks,abandonedstone...
- 14985
- Thelithophileelementsinordinaryandcarbonaceouschondritegroupsmaydisplayeitherchalcophileorsiderophilenatureinenstatitechondrites.Thatisanecessarybutnotasufficientcondition,asthetypeofrockinvolved,calledcarbonaceouschondrite,isfoundinotherasteroids,to...
- 8115
- 1、Theoccurrenceofgoldrichcarbonaceousrockseriesandtheextensivedevelopmentofalteredrockbodiesintheregionmadethemobilizationandconcentrationofgoldpossible.2、InYutangba,nativeseextensivelyexistswithinSe-richcarbonaceousrocks,abandonedstonecoalspoilsan...
- 22966