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Kokolik River

Introduction Northern Alaska Map     Kokolik Unassigned Fossils Fossil Images

 

Interactive map of western northern Alaska showing the positions of the plant fossil localities along the Kokolik River. Some specimens are representative of taxa occuring throughout the Kokolik sections and are unassigned. Where specimens are assigned to specific localities the 'Fossil Images' link becomes active.

Locality 98RAS01:

69.352381°N, -161.451077°W

Specimens:

98RAS01.1 (wood)

98RAS01.2 (wood)

  

Interactive map of the Kokolik River localities Hotspot linking to Kokolik 98RAS02 locality Hotspot linking to Kokolik 98RAS03 locality Hotspot linking to Kokolik 98RAS04 locality Hotspot linking to Kokolik 98RAS05 locality Hotspot linking to Kokolik 98RAS06 locality Hotspot linking to Kokolik 98RAS07 locality Hotspot linking to Kokolik 98RAS08 locality Hotspot linking to Kokolik 98RAS09 locality Hotspot linking to Kokolik 98RAS10locality Hotspot linking to Kokolik 98RAS11 locality Hotspot linking to Kokolik 98RAS12 locality Hotspot linking to Kokolik 98RAS13 locality Hotspot linking to Kokolik 98RAS14 locality Hotspot linking to Kokolik 98RAS15 locality

 

Locality Description:

Unit 1- Light gray to yellow/brown fine sand with comminuted plant debris, rounded branch fragments, no marine fossils. Ripples with wavelengths 10-15 cm, amplitudes 2-3 cm, oftern two sets normal to one another with fine lamination and clay drapes possibly indicating tidal influence. Unit 2 - gray, silty claystone with orange-weathering ironstone nodules with fragmented Podozamites, Pityophyllum, Sphenobaiera, Equisetites and Desmiophyllum magnum.

Field photograph of Podozamites leaves.   Field photograph of isolated Podozamites leaves.

 

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