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Home My WebLink AboutGMC Data Report No. 105An examination and interpretation of megafossil fragments and _ · microfossils from cuttings of the Conoco Inc. Gwydyr Bay State No. 2 well Received 27 January 1989 Total of 3 pages in report Geologic Materials Center Data Report No. 105 IN TRODUCT ION Compos i te 80-11,365'. RESULTS Depth 80' -620' 90' 620'-1,070' 1,070'-1,160' 1,169'-6,380' 6,380'-8,020' CONOCO GWYDER BAY STATE #2 Section 11, 12n/13E UBM A. P. I. #50-029-20491 cuttings samples were examined through the interval Age' Indeterminate Pal eoenvironmen t: Indeteminate. Remarks: This interval is barren of microfossils. Age- P1 iocene/Pleistocene. Paleoenvi ronmen t- Probably inner neritic to trans i ti onal. Remarks' the faunal assemblage consists of Buccella frigida, Pullenia afl. P. bulloides, E1phidiella brunnescens and Cibicides sp. A_~_~: Possibly Oligocene. Paleoenvironment: Probably inner neritic. Remarks- The faunal assemblage consists of Cibicides perlucidus, Elphidiella brunnescens and Cibicides sp. .. Age- Indeterminate Pal eoen v i ronmen t: non-marine. Possibly transitiona) to Remarks: the samples -in this interval are barren of microfossils, but contain abundant plant fragements, and coal fragments. Age: La te C re ta ceous. Paleoenvi ronmen t: -Probably inner middle neri tic/bathyal. neritic possibly Remarks' The faunal assemblage consists of Saccammina lathrami Haplophragmoi des rota, Ha_P1 oph ragnoi des sp. Hap1 oph ragnoi des exca rata, Caucas ina vi trea ~nomal inoi des pen~uis, Verneui ! inoi des bea rpawens is, Ba thys i phon vi tta, Bathysiphon varans and T. albertensis. GMC Data Report No. 105 Page 1/3 8,020'-8,470' A~e.- Campanian/Turonian. 8,570'-8,990' 9,020'-9,080' 9,080' -9,440' 9,470' -10,0t0 10,010' -10,430' Paleoenvironment: Probably bathyal. Remarks' The faunal assemblage consists of Dictyomitra multicostata, Spon~odicus sp. Cenosphaera ~ ~-~-c~ ~oraminiferids which are probably caved; H. ro ta, Ba thys i phon vi tta, B. va rans and -~. bonanzaensis. Age: Indeterminate. Paleoenvironment: Possibly marine. Remarks' Rare occurrences of Sp. on~odiscus Cenosphaera sp. (probably caved) persist. an abundant influx of Inoceramus prisms interval. The lithology in this interval grey to black paper shale. sp. and There is in this is dark A~]e: Indeterminate. Paleoenvironment: Probably marine. Remarks: Rare occurrences of non-diagnostic foraminiferids have been analyzed in this interval. A~e' Aptian/Ba rremian. Paleoenvironment: Probably middle to outer neritic. Remarks' The faunal assemblage consists of Gaudryina tail 1 euri, G1 omos pi ra sub aracti ca, Ba thysi phon scin ti 1 la ta, .H.a plo ph ra~]moi des duo f'l a tis, 'Gl'omos pi 'ri 11 a arcti ca, Len ti cul ina muens te ri, ~seudobolivina rayi, and BathYsiphon ~ranulocoelia. A~]e- Val angin ian/Berriasian. Paleoenvironment: Probably inner to outer neritic. Remarks: The faunal assemblage consists of G. mi 11 eri ', Hapl oph ra ~moi des ~oo denou ~hens iT, rHap1 ophra~moides inflatt grandis, Li tuotuba ~]allupi, 'G. 1 effin~well i ,' G1 obul ina prisca, Mar~]inul ina ~laniuscula, Mar~inul~nopsis collinsi, Ammobaculites ~'f. A. alaskens'is. Age' Possibly late Jurassic. Paleoenvironment' Marine, shelf. GMC Data Re port No. 105 Page 2/3 -2- 10,430'-11,000' 11,000'-11,365' Remarks' The faunal assemblage consists oi~ Lenticulina audax, Anmobaculites vetusta, Reo~hax metensis, GlObulina topa~orukeflslis, Hap~J~-phragmo~des canui, Ammobacul i tes alaskenses. Age: Possibly Oxfordian Callovian Paleoenvironment: Marine inner to outer neritic. Remarks: The faunal assemblage consists of Ammodiscus siliceus, HAP spp., .Eo~uttulina metensis, Ma roi nol ops is phragmites and Tasmanites. A~)e- Indeteminate. Pal eoenv i ronmen t: I nde te mi nate. Remarks- No new fauna is observed in this interval. GMC Data Report No. 105 Page 3/3 -3-