| PUBLICATION |
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Authors: |
Jones, David L.
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| Editors: |
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| Date: |
/1963 |
| Title: |
Upper Cretaceous (Campanian and Maestrichtian) Ammonites from Southern Alaska |
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432 , , 53 , 36 pls. |
| Host: |
U.S. Geological Survey Professional Paper: |
| Document Type: |
Article\Abst.\Chapter\report |
| Annotation: |
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| UserNote |
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53AGz62
(Mesozoic loc. 24859)
, Anchorage
, Lower third of shale and siltstone member of Matanuska Formation [Note by RBB: Jones, 1962, USGS Prof. Paper 432, p. 19 states: A. Grantz and L. Fay, 1953. Nelchina district, Anchorage (D-2) quad., lat. 61 deg. 57'30" N., long. 147 deg. 43'04" W., approximately 2.05 miles N. 47.5 deg. W. of junction of Sheep Creek and Caribou Crek, on a northtrending tributary of Caribou Creek, approximately 0.76 mile upstream. Lower part of member 3 of Matanuska formation. Campanian. Inoceramus schmidti zone.]
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53AGz103
(Mesozoic loc. 24861)
, Anchorage
, Shale and siltstone member of Matanuska Formation [Note by RBB: Jones, 1962, USGS Prof. Paper 432, p. 19 states: A. Grantz and L. Fay, 1953. Nelchina district, Anchorage (D-3) quad. Lat. 61 deg. 59'25" N., long. 147 deg. 50'07" W., on east bank of Caribou Creek, approximately 1.5 miles from junction with Chitna Creek. Upper part of member 3 of Matanuska formation. Late Campanian or Maestrichtian. Pachydiscus kamishakensis zone.]
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Inoceramus ex gr. I. subundatus
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Patagiosites alaskensis n. sp.
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Neophylloceras hetonaiense
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53AGz115
(Mesozoic loc. 24862)
, Anchorage
, Shale and siltstone member of Matanuska Formation [Note by RBB: Jones, 1962, USGS Prof. Paper 432, p. 19 states: A.Grantz and L. Fay, 1953. Nelchina district, Anchorage (D-2) quad., Lat. 61 deg. 58'27" N., long. 147 deg. 53'18" W., approximately 3 miles N. 33 deg. W. of junction of Caribou and Sheep Creek. Upper part of member 3 of Matanuska formation. Late Campanian or Maestrichtian. Pachydiscus kamishakensis zone.]
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Pachydiscus (Pachydiscus) kamishakensis n. sp.
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53AGz129
(Mesozoic loc. 24863)
, Talkeetna Mts
, Shale and siltstone member of Matanuska Formation [Note by RBB: Jones, 1962, USGS Prof. Paper 432, p. 19 states: A. Grantz and L. Fay, 1953. Nelchina district, Talkeetna Mountains (A-2) quad. Lat. 62 deg. 00'45" N., long. 147 deg. 40'38" W. Upper part of member 3 of Matanuska formation. Late Campanian or Maestrichtian. Pachydiscus kamishakensis zone.]
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Pachydiscus (Pachydiscus) kamishakensis n. sp.
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53AGz130
(Mesozoic loc. 24864)
, Talkeetna Mts
, Shale and siltstone member of Matanuska Formation [Note by RBB: Jones, 1962, USGS Prof. Paper 432, p. 19 states: A.Grantz and L. Fay, 1953. Nelchina district, Talkeetna Mountains (A-2) quad., Lat. 62 deg. 01'08 1/2" N., long. 147 deg. 41'15" W. Upper part of member 3 of Matanuska formation. Late Campanian or Maestrichtian. Pachydiscus kamishakensis zone.]
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Inoceramus ex gr. I. subundatus
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53AGz131
(Mesozoic loc. 24865)
, Talkeetna Mts
, Shale and siltstone member of Matanuska Formation [Note by RBB: Jones, 1962, USGS Prof. Paper 432, p. 19 states: A.Grantz and L. Fay, 1953. Nelchina district, Talkeetna Mountains (A-2) quad., Lat. 62 deg. 01'12" N., long. 147 deg. 40'59" W. Upper part of member 3 of Matanuska formation. Late Campanian or Maestrichtian. Pachydiscus kamishakensis zone.]
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Inoceramus ex gr. I. subundatus
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53AGz141
(Mesozoic loc. 24868)
, Talkeetna Mts
, From talus, shale and siltstone member of Matanuska Formation.[Note by RBB: Jones, 1962, USGS Prof. Paper 432, p. 19 states: A.Grantz and L. Fay, 1953. Nelchina district, Talkeetna Mountains (A-2) quad., Lat. 62 deg. 01'00 1/2" N., long. 147 deg. 37'23" W. from talus. Upper part of member 3 of Matanuska formation. Late Campanian or Maestrichtian. Pachydiscus kamishakensis zone.]
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Inoceramus ex gr. I. subundatus
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53AGz147
(Mesozoic loc. 24869)
, Talkeetna Mts
, Shale and siltstone member of the Matanuska Formation. [Note by RBB: Jones, 1962, USGS Prof. Paper 432, p. 19 states: A.Grantz and L. Fay, 1953. Nelchina district, Talkeetna Mountains (A-2) quad., Lat. 62 deg. 01'28 1/2" N., long. 147 deg. 38'19" W. Upper part of member 3 of Matanuska formation. Late Campanian or Maestrichtian. Pachydiscus kamishakensis zone.]
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Inoceramus ex gr. I. subundatus
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53AGz148
(Mesozoic loc. 24870)
, Talkeetna Mts
, From shale and siltstone member of the Matanuska Formation and stratigraphically below 53AGz147. [Note by RBB: Jones, 1962, USGS Prof. Paper 432, p. 19 states: A.Grantz and L. Fay, 1953. Nelchina district, Talkeetna Mountains (A-2) quad., Lat. 62 deg. 01'27" N., long. 147 deg. 38'13" W. Upper part of member 3 of Matanuska formation. Late Campanian or Maestrichtian. Pachydiscus kamishakensis zone.]
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Inoceramus ex gr. I. subundatus
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Patagiosites alaskensis n. sp.
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53AGz151
(Mesozoic loc. 24871)
, Talkeetna Mts
, Shale and siltstone member of the Matanuska Formation. [Note by RBB: Jones, 1962, USGS Prof. Paper 432, p. 19 states: A.Grantz and L. Fay, 1953. Nelchina district, Talkeetna Mountains (A-2) quad., Lat. 62 deg. 00'34" N., long. 147 deg. 35'25 1/2" W. Upper part of member 3 of Matanuska formation. Late Campanian or Maestrichtian. Pachydiscus kamishakensis zone.]
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Inoceramus ex gr. I. subundatus
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Pachydiscus (Pachydiscus) octacodensis
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Patagiosites alaskensis n. sp.
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53AFy3
(Mesozoic loc. 24875)
, Talkeetna Mts
, Shale and siltstone member of the Matanuska Formation. [Note by RBB: Jones, 1962, USGS Prof. Paper 432, p. 19 states: L. Fay, 1953. Nelchina district, Talkeetna Mountains (A-2) quad., Lat. 62 deg. 01'28 1/2" N., long. 147 deg. 38'46" W. Upper part of member 3 of Matanuska formation. Late Campanian or Maestrichtian. Pachydiscus kamishakensis zone.]
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Inoceramus ex gr. I. subundatus
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53AGz78A
(Mesozoic loc. 24860)
, Talkeetna Mts
, From upper Cretaceous siltstone (from Request for Examination of Fossils form of Grantz) or Siltstone Mbr. acc. to E&R report of Imlay [Note by RBB: Jones, 1962, USGS Prof. Paper 432, p. 19 states: A. Grantz and L. Fay, 1953. Nelchina district, Talkeetna Mountains (A-2) quad., Lat. 62 deg. 04'50 1/2" N., long. 147 deg. 50'07" W. Upper part of member 3 of Matanuska formation. Late Campanian or Maestrichtian. Pachydiscus kamishakensis zone.]
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Inoceramus aff. I. elegans
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Inoceramus ex gr. I. subundatus
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Pachydiscus (Neodesmoceras) obsoletiformis n. sp.
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Neophylloceras hetonaiense
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53AGz221
(Mesozoic loc. 24872)
, Talkeetna Mts
, From siltstone of Upper Cretaceous age (from Request for Examination form) or Siltstone Mbr. acc. to E&R report. [Note by RBB: Jones, 1962, USGS Prof. Paper 432, p. 19 states: A.Grantz and L. Fay, 1953. Nelchina district, Talkeetna Mountains (A-2) quad., Lat. 62 deg. 08'28" N., long. 147 deg. 48'37" W. Upper part of member 3 of Matanuska formation. Late Campanian or Maestrichtian. Pachydiscus kamishakensis zone.]
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Inoceramus aff. I. elegans
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Neophylloceras hetonaiense
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53AGz238A
(Mesozoic loc. 24873)
, Talkeetna Mts
, From siltstone of Upper Cretaceous age (acc. to Grantz's Request for Examination of Fossils sheet), from Siltstone Member acc. to Imlay.s E&R report [Note by RBB: Jones, 1962, USGS Prof. Paper 432, p. 19 states: A.Grantz and L. Fay, 1953. Nelchina district, Talkeetna Mountains (A-2) quad., Lat. 62 deg. 09'33" N., long. 147 deg. 45'52" W. Upper part of member 3 of Matanuska formation. Late Campanian or Maestrichtian. Pachydiscus kamishakensis zone.]
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Inoceramus ex gr. I. subundatus
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Pachydiscus (Neodesmoceras) obsoletiformis n. sp.
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52AGz25
(Mesozoic loc. 24191)
, Anchorage
, On south tributary of Squaw Creek, 2.40 miles N 44 degrees W of southeast summit of Gunsight Mountain. From lime concretion in lower third of shale and siltstone member of the Matanuska Formation. [Note by RBB: Jones, 1962, USGS Prof. Paper 432, p. 18 states: "Grantz, Hoare, Imlay, 1952. On south tributary of Squaw Creek, 2.06 miles N. 41 degrees W. of southeast summit of Gunsight Mountain, lat. 61 deg. 52.2' N., long. 147 deg. 30.9' W. Lower part of member 3 of Matanuska formation. Campanian. Inoceramus schmidti zone.]
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52AGz26
(Mesozoic loc. 24192)
, Anchorage
, From shale 50 feet downstream from 52AGz25. [Note by RBB: Jones, 1962, USGS Prof. Paper 432, p. 18 states: "Grantz, Hoare, Inlay, 1952. Same locality as 24191, but 50 feet downstream. Lower part of member 3 of Matanuska formation. Campanian. Inoceramus schmidti zone.]
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52AGz28
(Mesozoic loc. 24193)
, Anchorage
, On south tributary of Squaw Creek, 2.67 miles N 40 degrees W of southeast summit of Gunsight Mountain. From lower third of shale and siltstone member of Matanuska Formation. [Note by RBB: Jones, 1962, USGS Prof. Paper 432, p. 18 states: "Grantz, Hoare, Imlay, 19052. On south tributary of Squaw Creek, 2.67 miles N. 40 deg. W. of southeast summit of Gunsight Mountain, lat. 61 deg. 52.5' N., long. 147 deg. 31.0' W. Lower part of member 3 of Matanuska formation. Campanian. Inoceramus schmidti zone.]
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52AGz30
(Mesozoic loc. 24194)
, Anchorage
, On south tributary of Squaw Creek. 2.77 miles N 39 1/2 degrees W of southeast summit of Gunsight Mountain. From lower third of shale and siltstone member of the Matanuska Formation. [Note by RBB: Jones, 1962, USGS Prof. Paper 432, p. 18 states: "Grantz, Hoare, Imlay, 1952. On south tributary of Squaw Creek, 2.77 miles N. 39.5 deg. W. of southeast summit of Gunsight Mountain, lat. 61 deg. 52.6' N., long. 147 deg. 31.0' W. Lower part of member 3 of Matanuska formation. Campanian. Inoceramus schmidti zone.]
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52AGz32
(Mesozoic loc. 24195)
, Anchorage
, On south tributary to Squaw Creek, 2.99 miles N 40 degrees W of southeast summit of Gunsight Mountain. From lower third of shale and siltstone member of the Matanuska Formation. [Note by RBB: Jones, 1962, USGS Prof. Paper 432, p. 18 states: "Grantz, Hoare, Imlay, 1952. South tributary of Squaw Creek, 2.99 miles N. 40 deg. W. of southeast summit of Gunsight Mountain, lat. 61 deg. 52.7' N., long. 147 deg. 31.3' W. Lower part of member 3 of Matanuska formation. Campanian. Inoceramus schmidti zone.]
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52AGz51
(Mesozoic loc. 24201)
, Anchorage
, On north tributary of Squaw Creek, 1.04 miles S 10 degrees W of 5471 ft. VABM Fred. From shelly glauconitic zone. Lower part of upper third of shale and siltstone member of the Matanuska Formation. [Note by RBB: Jones, 1962, USGS Prof. Paper 432, p. 18 states: "Grantz, Hoare, Imlay, 1952. On north tributary of Squaw Creek, about 3.1 miles northeast of junction of Squaw Creek and Caribou Creek, at altitude of 4,000 feet. Lat. 61 deg. 54.4' N., long 147 deg. 31.7' W. Upper part of member 3 of Matanuska formation. Late Campanian or Maestrichtian. Pachydiscus kamishakensis zone.]
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Pachydiscus (Pachydiscus) kamishakensis n. sp.
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52AGz71
(Mesozoic loc. 24208)
, Anchorage
, 150 feet upstream from loc. 52AGz70. [Note by RBB: Jones, 1962, USGS Prof. Paper 432, p. 18 states: "Grantz, Hoare, Imlay, 1952. Squaw Creek valley, 4.9 miles northeast of junction of Squaw Creek and Caribou Creek, at altitude of about 3,500 feet, lat. 61 deg. 54.2' N., long. 147 deg. 27.5' W. Upper part of member 3 of Matanuska formation. Late Campanian or Maestrichtian. Pachydiscus kamishakensis Zone.]
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52AGz72
(Mesozoic loc. 24209)
, Anchorage
, From float 150 feet upstream from loc. 52AGz70. [Note by RBB: Jones, 1962, USGS Prof. Paper 432, p. 18 states: "Grantz, Hoare, Imlay, 1952. Squaw Creek valley, 4.9 miles northeast of junction of Squaw Creek and Caribou Creek. Upper part of member 3 of Matanuska formation. Late Campanian or Maestrichtian. Pachydiscus kamishekensis zone.]
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52AGz75
(Mesozoic loc. 24210)
, Anchorage
, North tributary of Squaw Creek, from float 2.41 miles S 63 E degrees from 5471 ft. VABM Fred. From upper third of shale and siltstone member of Matanuska Formation. [Note by RBB: Jones, 1962, USGS Prof. Paper 432, p. 18 states: "Grantz, Hoare, Imlay, 1952. Squaw Creek valley, 4.95 miles northeast of junction of Squaw Creek and Caribou Creek; altitude 3,500 feet. Lat. 61 deg. 54.3' N., long. 147 deg. 27.5' W. Upper part of member 3 of Matanuska formation. Late Campanian or Maestrichtian. Pachydiscus kamishakensis zone.]
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Pachydiscus (Pachydiscus) kamishakensis n. sp.
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52AGz76
(Mesozoic loc. 24211)
, Anchorage
, On north tributary of Squaw Creek, 2.41 miles S 67 1/2 degrees E from 5471 ft. VABM Fred. From upper third of shale and siltstone member of the Matanuska Formation. [Note by RBB: Jones, 1962, USGS Prof. Paper 432, p. 18 states: "Grantz, Hoare, Imlay, 1952. Squaw Creek valley, 5.1 miles northeast of junction of Squaw Creek and Caribou Creek, altitude about 3,700 feet. Lat. 61 deg. 54.45' N., long. 147 deg. 27.4' W. Upper part of member 3 of Matanuska formation. Late Campanian or Maestrichtian. Pachydiscus kamishakensis zone.]
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Pachydiscus (Pachydiscus) kamishakensis n. sp.
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52AGz80
(Mesozoic loc. 24212)
, Anchorage
, From float 2000 feet upstream from loc. 52AGz76. From upper part of upper third of shale and siltstone member of the Matanuska Formation. [Note by RBB: Jones, 1962, USGS Prof. Paper 432, p. 18 states: "Grantz, Hoare, Imlay, 1952. Squaw Creek valley, float about 2,000 feet upstream from locality 24211. Upper part of member 3 of Matanuska formation. Late Campanian or Maestrichtian. Pachydiscus kamishakensis zone.]
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Pachydiscus (Pachydiscus) kamishakensis n. sp.
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52AGz177
(Mesozoic loc. 24214)
, Anchorage
, Alfred Creek, 1250 feet west of Bench Creek, from shale and siltstone member of the Matanuska Formation. [Note by RBB: Jones, 1962, USGS Prof. Paper 432, p. 18 states: "Grantz, Hoare, Imlay, 1952. Alfred Creek, about 0.8 mile east of mouth of Flume Creek. Lat. 61 deg. 57.1' N., lat. 147 deg. 31.9' W. Upper part of Matanuska formation Late Campanian or Maestrichtian. Pachydiscus kamishakensis zone.]
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Patagiosites alaskensis n. sp.
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52AGz184
(Mesozoic loc. 24217)
, Anchorage
, North bank of Alfred Creek at junction with Caribou Creek. From lower half of shale and siltstone member of the Matanuska Formation. [Note by RBB: Jones, 1962, USGS Prof. Paper 432, p. 18 states: "Grantz, Hoare, Imlay, 1952. North bank of Alfred Creek at junction with Caribou Creek. Lower part of member 3 of Matanuska formation. Late Campanian or Maestrichtian. Pachydiscus kamishakensis zone.]
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Anapachydiscus nelchinensis n. sp.
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52AGz200
(Mesozoic loc. 24219)
, Anchorage
, North tributary of Squaw Creek. 2.52 miles S 71 degrees E of 5471 ft. VABM Fred. From talus under upper 300 feet of shale and siltstone member of the Matanuska Formation. [Note by RBB: Jones, 1962, USGS Prof. Paper 432, p. 18 states: "Grantz, Hoare, Imlay, 1952. Squaw Creek valley, 5.3 miles northeast of junction of Squaw Creek and Caribou Creek, at altitude of 3,900 feet. Lat. 61 deg. 54.55' N., long. 147 deg. 27.0' W. Upper part of member 3 of Matanuska formation. Late Campanian or Maestrichtian. Pachydiscus kamishakensis zone.]
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Inoceramus ex gr. I. subundatus
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52AGz254
(Mesozoic loc. 24227)
, Talkeetna Mts
, 7.77 miles S 6 1/2 degrees E of main headwater fork of Little Nelchina River. From siltstone member of the Matanuska Formation. [Note by RBB: Jones, 1962, USGS Prof. Paper 432, p. 18 states: "Grantz, Hoare, Imlay, 1952. 7.77 miles S. 6.5 deg. E. of main headwater fork of Little Nelchina River. Lat. 62 deg. 0.5' N., long. 147 deg. 36.5' W. Upper part of member 3 of Matanuska formation. Late Campanian or Maestrichtian. Pachydiscus kamishakensis zone.]
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52AGz266
(Mesozoic loc. 24239)
, Anchorage
, South side of Alfred Creek 1.22 miles S 55 degrees W of mouth of Pass Creek. From lower fourth of shale and siltstone member of Matanuska Formation. [Note by RBB: Jones, 1962, USGS Prof. Paper 432, p. 18 states: "A. Grantz, 1952. On south side of Alfred Creek, 3.22 miles N. 86 deg. E. of mouth of Flume Creek. Upper part of member 3 of Matanuska formation. Late Campanian or Maestrichtian. Pachydiscus kamishakensis zone.] [Jones, 1967, USGS Prof. Paper 547, p. 17 describes locality as follows: A. Grantz, 1952. Anchorage D-2 quad., on south side of Alfred Creek, 1.22 miles S. 55 deg. W. of mouth of Pass Creek. Unit C-1]
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54AGz54
(Mesozoic loc. 25321)
, Talkeetna Mts
, Talkeetna Mtns. (A-2). Lat. 62 deg. 00'44"N., Long. 147 deg. 34'55 1/2"W. Sandstone float. [Note by RBB: The E&R report gives the minutes for latitude as 99', while the transmittal sheet give 00']; [Additional note by RBB: Jones, 1962, USGS Prof. Paper 432, p. 19 states: A. Grantz, 1954. Talkeetna Mountains (A-2) quad., Lat. 62 deg. 00'44" N., long. 147 deg. 34'55 1/2" W. Upper part of member 3 of Matanuska formation. Late Campanian or Maestrichtian. Pachydiscus kamishakensis zone.]
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Neophylloceras hetonaiense?
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54AGz55M
(Mesozoic loc. 25325)
, Talkeetna Mts
, Same locality as preceeding [Note by RBB: referring to 55AGz55N] but higher in section. [Note by RBB: Jones, 1962, USGS Prof. Paper 432, p. 19 states: A. Grantz, 1954. Talkeetna Mountains (A-2) quad., Lat. 62 deg. 00'46" N., long. 147 deg. 34'54" W. Upper part of member 3 of Matanuska formation. Late Campanian or Maestrichtian. Pachydiscus kamishakensis zone.]
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Phyllopachyceras forbesianum
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54AGz55I
(Mesozoic loc. 25324)
, Talkeetna Mts
, Talkeetna Mtns. (A-2). Lat. 62 deg. 00'49"N., Long. 147 deg. 34'58"W. [Note by RBB: Grantz's transmittal sheet gives differing Long.: 147 deg. 34'51"W - this value used instead of that on E&R form][Additional note by RBB: Jones, 1962, USGS Prof. Paper 432, p. 19 states: A. Grantz, 1954. Talkeetna Mountains (A-2) quad., Lat. 62 deg. 00'49" N., long. 147 deg. 34'51" W. Upper part of member 3 of Matanuska formation. Late Campanian or Maestrichtian. Pachydiscus kamishakensis zone.]
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Inoceramus ex gr. I. subundatus
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Pachydiscus (Pachydiscus) kamishakensis n. sp.
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1 of G.C. Martin, 1913
(Mesozoic loc. 8559)
, Anchorage
, G.C. Martin, 1913. Float from Black Shale Creek, tributary to Boulder Creek. Upper part of Matanuska formation. Late Campanian or Maestrichtian. Pachydiscus kamishakensis zone.
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Neophylloceras hetonaiense
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4 of G.C. Martin, 1913
(Mesozoic loc. 8562)
, Anchorage
, G.C. Martin, 1913. North slope of Anthracite Ridge near crest, and on first tributary to Boulder Creek below junction of Boulder Creek and unnamed east fork of Boulder Creek. Upper part of Matanuska formation. Late Campanian or Maestrichtian. Pachydiscus kamishakensis zone.
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Inoceramus ex gr. I. subundatus
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Phyllopachyceras forbesianum
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Neophylloceras hetonaiense
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28 of G.C. Martin, 1913
(Mesozoic loc. 8578)
, Anchorage
, G.C. Martin, 1913. Billy Creek, about 4 2/3 miles (airline) above mouth at altitude of 3,800 feet. Upper part of member 3, Matanuska formation. Late Campanian or Maestrichtian. Pachydiscus kamishakensis zone.
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37 of G.C. Martin, 1913
(Mesozoic loc. 8586)
, Anchorage
, G.C. Martin, 1913. Mouth of Alfred Cree. About middle of member 3 of Matanuska formation. Campanian. Probably upper part of Inoceramus schmidti zone.
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Inoceramus ex gr. I. subundatus Meek
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Anapachydiscus nelchinensis n. sp.
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38 of G.C. Martin, 1913
(Mesozoic loc. 8587)
, Anchorage
, G.C. Martin, 1913. Alfred Creek, 1,880 feet below junction with Flume Creek. Upper part of member 3 of Matanuska formation. Late Campanian or Maestrichtian. Pachydiscus kamishanensis zone.
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Didymoceras cf. ?D. hornbyense
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4 of T. Chapin, 1914
(Mesozoic loc. 8948)
, Anchorage
, T. Chapin, 1914. Ridge between Hicks Creek and Caribou Creek, 3 1/2 miles north of Matanuska River. Matanuska formation. Late Campanian or Maestrichtian. Pachydiscus kamishakensis zone.
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32AW1
(Mesozoic loc. 16398)
, Anchorage
, G.A. Waring, 1932. Anthracite Ridge, upper Matanuska Valley, on south side of Ridge in headwaters of Purinton (Chikootna) Creek. Matanuska formation. Late Campanian or Maestrichtian. Pachydiscus kamishakensis zone.
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Inoceramus ex gr. I. subundatus
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Pachydiscus (Pachydiscus) kamishakensis n. sp.
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Pachydiscus (Pachydiscus) octacodensis
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Desmophyllites phyllimorphum
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Neophylloceras hetonaiense
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Didymoceras aff. ?D. hornbyense
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52AGz241
(Mesozoic loc. 24226)
, Anchorage
, Grantz, Hoare, Imlay, 1952. 1.85 miles N. 68 deg. E of mouth of Sheep Creek. Upper part of member 3 of Matanuska formation. Late Campanian or Maestrichtian. Pachydiscus kamishakensis zone.
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Inoceramus ex gr. I. subundatus
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J.R. Williams, 1952, no number given
(Mesozoic loc. 24241)
, Gulkana
, J.R. Williams, 1952. Landslide approximately 1.5 miles North of Glenn Highway at mile 141. Upper part of member 3 of Matanuska formation. Late Campanian or Maestrichtian. Pachydiscus kamishakensis zone.
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Inoceramus ex gr. I. subundatus
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Pachydiscus (Pachydiscus) kamishakensis n. sp.
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1 of J.R. Williams, 1952
(Mesozoic loc. 24242)
, Utukok River
, J.R. Williams, 1952. Road cut on east side of Little Nelchina River near Glenn Highway. Lower part of member 3 of Matanuska formation. Campanian. Inoceramus schmidti zone.
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3 of J.R. Williams, 1952
(Mesozoic loc. 24244)
, Valdez
, J.R. Williams, 1952. North bank of Little Nelchina River about 2 miles downstream from Glenn Highway bridge. Lowerpart of member 3 of Matanuska formation. Campanian. Inoceramus schmidti zone.
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