Siberian Flood Basalt Collection

Below is a list of our current rock collection. For more information regarding any sample below, please contact ltelkins@dtm.ciw.edu.

Sample # Region Description Unit or Rock type Latitude Longitude Bulk Analysis Completed Thin Section
K08-13.5 Kotuy crumbly crack fill in sill/dike Tungusska sediments 71.262233 102.964650 No Yes
K08-13.6 Kotuy sill unknown 71.262233 102.964650 Yes Yes
K08-13.7 Kotuy baked coal Tungusska sediments 71.262233 102.964650 No No
K08-13.8 Kotuy coal ~15 cm above contact Tungusska sediments 71.262233 102.964650 No No
K08-13.9 Kotuy gabbro dike/sill material, near 13.1 unknown 71.262233 102.964650 Yes Yes
K08-14 Kotuy first outcrop of Permian sediment downstream of K08-12 (upstream of K08-13) Tungusska sediments 71.215867 102.790617 No No
K08-14.1 Kotuy sandstone, whitish weathering Tungusska sediments 71.215867 102.790617 No No
K08-14.2 Kotuy massive siltstone, probably baked Tungusska sediments 71.215867 102.790617 No No
K08-14.3 Kotuy coarse melilite-bearing sill/flow Arydzhangsky 71.215867 102.790617 No Yes
K08-15.1 Kotuy Kayak coal-mine coal sampled by Roma Tungusska sediments 71.505617 103.247167 No No
K08-15.2 Kotuy bentonite (ash bed in coal) Tungusska sediments 71.505617 103.247167 No No
K08-15.2a Kotuy small bag from 15.2 Tungusska sediments 71.505617 103.247167 No No
K08-16.1 Kotuy weakly trachytic flow near chalcedony miner's ladder - Truba section Onkuchaksky 71.575183 102.806267 No No
K08-17.1 Kotuy coarse grained massive flow columns ~1m at base tapering to ~10 cm at top Onkuchaksky 71.602433 102.716183 No Yes
K08-18.1 Kotuy ~3.7 km upstream from 16, 8.1 km upstream from K08-17. columnar jointed acid medium-grained with a basal highly vesiculated zone, vesicles elongated parallel to contact Onkuchaksky 71.556667 102.892350 No Yes
K08-18.2 Kotuy beneath 18.1, massive coarse-grained columnar jointed (d=.5-.7m) flow Onkuchaksky 71.556667 102.892350 Yes Yes
K08-19.1 Kotuy massive lava flow with columnar joints. ~2.8 km upstream from K08-18 Onkuchaksky 71.550683 102.970967 No Yes
K08-2.1 Kotuy Dike with phlogopite cutting Ordovician sediments intrusive 71.002000 102.615833 Yes Yes
K08-2.2 Kotuy Red Ordovician sediments (marl), gypsum-bearing Ordovician gypsum-bearing sediments 71.002000 102.615833 No Yes
K08-2.3 Kotuy Orange gypsum crack fill mineralization in Ordovician 71.002000 102.615833 No No
K08-2.4 Kotuy Grey Devonian or Ordovician sediments Devonian or Ordovician sediments 71.002000 102.615833 No No
K08-2.5 Kotuy Dark sill with mica unknown 71.002000 102.615833 No No
K08-20.1 Kotuy highly vesiculated, zeolitic; beneath lenses of darker less vesiculated material Onkuchaksky 71.545533 103.004200 No No
K08-3.1 Kotuy Middle of one flow from Arydzangskaya suite Arydzhangsky 71.048500 102.355333 Yes Yes
K08-3.2 Kotuy Top of Arydzangskaya flow - rubbly top Arydzhangsky 71.048500 102.355333 Yes Yes

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