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Stratigraphic range:
Kinds of fossils:
Quadrangle or area: Chardler Lake Quad.
Shipment No.: No Data
Referred by:
Report prepared by: Mickey, Michael B. , Haga, Hideyo
Date: 10/04/1984

TO: U.S. Geological Survey
345 Middlefield Road, MS-999
Menlo Park, California 94025
Attn: Ken Bird/J. Kelley

SUBJECT: U.S.G.S./Kelley outcrop samples. North Slope, Alaska

INTRODUCTORY SUMMARY

Micropaleo Consultants, Inc. (M.C.I.) processed and examined for Foraminifera an dpalynomorphs 34 outcrop samples. This work was done under U.S.G.S. Contract #14-08-0001-21911, Order #66746, Requisition #4-9410-4964.

This work was part of Micropaleo Consultants, Inc. Job No. 84-102. Palynomorph interpretations were done by Hideyo Haga. The Foraminifera interpretations were done by Michael B. Mickey.

The Foraminifera assemblage, palynomorph assemblage, age, and washed lithology description were recorded for each sample. The depositional environment was also noted, however, the palynomorph environments were merely categorized as nonmarine, marginal marine, or marine. These categories are based on the absence, or presence and abundance of dinocysts and acritarchs in the sample.

Standard techniques were used in processing the material. All of the Foraminifera samples were boiled in Quaternary-O and washed over 20 and 200 mesh screens. Foraminifera frequency symbols correspond to the following numerical values: X = very rare (1); R = rare (2-10); F = few (11-32); C = common (33-99); and A = abundant (100+). The palynomorph frequencies for the recorded taxa represent the following quantities: X = very rare (1 specimen); R = rare (2-5 specimens); F = few (6-15 specimens); C = common (16-30 specimens); and A = abundant (more than 30 specimens). An asterisk indicates reworked taxon. The biostratigraphic zones used appear on Figure 1 and are those presently used by the U.S.G.S. in the NPRA area.

A listing of the age, environment, fauna or flora, and a description of washed lithology for each sample follows.

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84AK-1A , Chandler Lake
Ammodiscus rotalarius
Bathysiphon scintillata
Glomospira subarctica
Glomospirella arctica
Glomospirella sp.
Haplophragmoides duoflatis
Pseudobolivina rayi
?Rogalskaisporites cicatricosus
Lycopodiumsporites spp.
Podocarpidites sp.
Undifferentiated bisaccates
Oligosphaeridium complex (thick-wall)
84AK-1B , Chandler Lake
Haplophragmoides coronis
*Densosporites sp.
*Hymenozonotriletes lepidophytus
Osmundacidites sp.
Undifferentiated bisaccates
Odontochitina operculata
84AK-2A , Chandler Lake
Cenosphaera spp. (pyritized)
Dictyomitra sp. (pyritized)
Lithocampe sp. (pyritized)
Megaspores
Spongodiscus spp. (pyritized)
Cyclonephelium distinctum
Odontochitina operculata
Oligosphaeridium complex
84AK-2B , Chandler Lake , No Data
Ammodiscus mackenziensis
Bathysiphon scintillata
Haplophragmoides coronis
Haplophragmoides duoflatis
Lithocampe sp. (pyritized)
Megaspores
Spongodiscus sp. (pyritized)
Osmundacidites sp.
Rouseisporites reticulatus
Undifferentiated bisaccates
84AK-2C , Chandler Lake
Gavelinella stictata
Haplophragmoides excavata
Megaspores
Oolina apiculata
Vaginulina exilis
Undifferentiated bisaccates
Cyclonephelium distinctum
84AK-2E , Chandler Lake
Haplophragmoides excavata
Megaspores
Undifferentiated bisaccates
Palaeoperidinium cretaceum
84AK-3D , Chandler Lake
Calcispheres?
Megaspores
Cicatricosisporites sp.
Undifferentiated bisaccates
Oligosphaeridium complex
Palaeoperidinium cretaceum
84AK-4A , Chandler Lake
Conorboides umiatensis
Haplophragmoides duoflatus
Hymenozonotriletes lepidophytus
Lycopodiumsporites sp.
Osmundacidites sp.
Undifferentiated bisaccates
Cyclonephelium distinctum
Odontochitina operculata
Oligosphaeridium complex
84AK-4B , Chandler Lake
Ammodiscus sp. (small-thin)
Conorboides umiatensis
Gaudryina cf. G. tailleuri
Haplophragmoides excavata
Trochamminoides sp. (small-thin)
Osmundacidites sp.
Undifferentiated bisaccates
Cyclonephelium distinctum
Odontochitina operculata
84AK-4C , Chandler Lake
Arenaceous spp. (large-coarse)
Calcispheres
Conorboides umiatensis
Gaudryina cf. G. tailleuri
Haplophragmoides duoflatis
Saracenaria projectura
*Hymenozonotriletes lepidophytus
Osmundacidites sp.
Undifferentiated bisaccates
Gardodinium trabeculosum
Odontochitina operculata
84AK-4D , Chandler Lake
Arenaceous spp. (large-coarse)
Bathysiphon scintillata
Gaudryina cf. G. tailleuri
Haplophragmoides excavata
Inoceramus prisms
Quadrimorphina ruckerae
Trochamminoides sp. (small-thin)
Valvulineria loetterlei
*Hymenozonotriletes lepidophytus
Lycopodiumsporites sp.
Osmundacidites sp.
Undifferentiated bisaccates
Oligosphaeridium complex
84AK-5E , Chandler Lake
Arenaceous spp. (large-coarse)
*Hymenozonotriletes lepidophytus
Osmundacidites sp.
Undifferentiated bisaccates
Cyclonephelium distinctum
84AK-6 (0-10) , Chandler Lake
Ammodiscus aff. A. orbis
Arenaceous spp.
Deltoidospora sp.
*Hymenozonotriletes lepidophytus
Osmundacidites sp.
Undifferentiated bisaccates
84AK-6 (10-20) , Chandler Lake
Dentalina praecommunis
Echinoid spines
Haplophragmoides coronis
Haplophragmoides duoflatus
Megaspores
Thuramminoides sp.
Vaginulina cf. V. exilis
*Hymenozonotriletes lepidophytus
Undifferentiated bisaccates
Cyclonephelium distinctum
84AK-6 (20-30) , Chandler Lake
Ammobaculites fragmentarius
Arenaceous spp. (large-coarse)
Dentalina praecommunis
Haplophragmoides excavata
Lenticulina macrodisca
Quadrimorphina ruckerae
Saracenaria projectura
Vaginulina exilis
*Densosporites sp.
Gleicheniidites senonicus
*Hymenozonotriletes lepidophytus
Lycopodiumsporites sp.
Osmundacidites spp.
Undifferentiated bisaccates
Tasmanaceae
84AK-6 (30-40) , Chandler Lake
Glomospira corona
Haplophragmoides excavata
Megaspores
*Hymenozonotriletes lepidophytus
Osmundacidites sp.
Undifferentiated bisaccates
Vitreisporites pallidus
Oligosphaeridium complex
84AK-6 (40-50) , Chandler Lake
Arenaceous spp.
Gavelinella stictata
Megaspores
Quadrimorphina ruckerae
*Hymenozonotriletes lepidophytus
Osmundacidites sp.
Undifferentiated bisaccates
Micrhystridium sp.
Odontochitina operculata
84AK-6 (50-60) , Chandler Lake
Ammobaculites fragmentarius
Bathysiphon cf. B. scintillata
Megaspores
*Hymenozonotriletes lepidophytus
Lycopodiumsporites sp.
Osmundacidites sp.
Undifferentiated bisaccates
84AK-6 (60-70) , Chandler Lake
Haplophragmoides coronis
Megaspores
*Hymenozonotriletes lepidophytus
Lycopodiumsporites sp.
Osmundacidites sp.
Undifferentiated bisaccates
Gardodinium trabeculosum
84AK-8A , Chandler Lake
Globulina prisca
Megaspores
Saccammina sp.
*Densosporites spp.
*Hymenozonotriletes lepidophytus
Osmundacidites sp.
Undifferentiated bisaccates
Cyclonephelium distinctum
Odontochitina operculata
Oligosphaeridium complex (thick-wall)
84AK-8B , Chandler Lake
Megaspores
*Densosporites spp
*Hymenozonotriletes lepidophytus
Lycopodiumsporites sp.
Osmundacidites spp
Undifferentiated bisaccates
Odontochitina operculata
Oligosphaeridium complex (thick-wall)
84AK-8C , Chandler Lake
*Hymenozonotriletes lepidophytus
Undifferentiated bisaccates
Cyclonephelium distinctum
Gardodinium trabeculosum
Imbatodinium jaegeri
84AK-8D , Chandler Lake
Megaspores
*Densosporites sp.
*Hymenozonotriletes lepidophytus
Osmundacidites sp.
Undifferentiated bisaccates
Zebrasporites sp.
84AK-8E , Chandler Lake
Megaspores
*Hymenozonotriletes lepidophytus
Undifferentiated bisaccates
Gardodinium trabeculosum
84AK-9A , Chandler Lake
Haplophragmoides excavata
Megaspores
*Densosporites spp
*Hymenozonotriletes lepidophytus
Undifferentiated bisaccates
Odontochitina operculata
84AK-9B , Chandler Lake
Indet. spore (poorly preserved)
Undifferentiated bisaccates
84AK-9C , Chandler Lake
Cenosphaera sp. (pyritized)
Megaspores
Spongodiscus sp. (pyritized)
Deltoidospora sp.
*Hymenozonotriletes lepidophytus
Undifferentiated bisaccates
Odontochitina operculata
84AK-10A , Chandler Lake
Arenaceous spp. (large-coarse)
Gaudryina tailleuri
Gaudryina tappanae
Haplophragmoides coronis
Haplophragmoides duoflatis
Megaspores
Trochammina sp.
Classopollis classoides
*Hymenozonotriletes lepidophytus
Lycopodiumsporites sp.
Undifferentiated bisaccates
Cyclonephelium distinctum
Gardodinium trabeculosum
Odontochitina operculata
Oligosphaeridium complex
84AK-10B , Chandler Lake
Stereisporites sp.
Undifferentiated bisaccates
Cyclonephelium distinctum
Gardodinium trabeculosum
Odontochitina operculata
84AK-10C , Chandler Lake
Bathysiphon scintillata
Gaudryina tailleuri
Haplophragmoides coronis
*Hymenozonotriletes lepidophytus
Undifferentiated bisaccates
Cyclonephelium distinctum
Gardodinium trabeculosum
Oligosphaeridium complex
84AK-10D , Chandler Lake
Arenaceous spp. (large-coarse)
Spongodiscus sp. (pyritized)
Thuramminoides sp.
*Hymenozonotriletes lepidophytus
Lycopodiumsporites sp.
Undifferentiated bisaccates
Cyclonephelium distinctum
Gardodinium trabeculosum
Odontochitina operculata
Oligosphaeridium complex
84AK-10E , Chandler Lake
Cenosphaera sp. (pyritized)
Pelecypods (pyrite casts)
*Hymenozonotriletes lepidophytus
Rogalskaisporites cicatricosus
Undifferentiated bisaccates
Cyclonephelium distinctum
Gardodinium trabeculosum
84AK-11A , Chandler Lake
Osmundacidites sp.
Undifferentiated bisaccates
Gardodinium trabeculosum
Odontochitina operculata
Oligosphaeridium complex
Palaeoperidinium cretaceum
84AK-11B , Chandler Lake
*Hymenozonotriletes lepidophytus
Lycopodiumsporites sp.
Undifferentiated bisaccates
Odontochitina operculata
Oligosphaeridium complex (thick-wall)
Palaeoperidinium cretaceum