Alaska Paleontological Database

Reference Detail

Report on Referred Fossils

Stratigraphic range:

Paleozoic and Triassic

Kinds of fossils:

Conodonts

Quadrangle or area:

Lake Clark and Healy quads.

Shipment No.:

A-84-11

Referred by:

Carlson, Chris

Report prepared by:

Harris, Anita G.

Date:

04/25/1984

User Note module to be added

82-BB-269 , Lake Clark , Limestone lenses along foliation in mafic siliceous schist, Tlikakila complex, on ridge south of Portage Lake and lake 1461 at 3600 ft. elevation, lat. 60 deg. 28 min. 45 sec., long. 153 deg. 50 min. 25 sec., Lake Clark B-3 quadrangle.

82-BB-288 , Lake Clark , Limestone lenses in Tlikakila complex, north shore of Lake Clark, west of Tlikakila River delta and east of a small unnamed creek, lat. 60 deg. 22 min. 20 sec., long. 153 deg. 54 min., Lake Clark B-3 quad.

82-BB-304 , Lake Clark , Calcareous schist and calcareous phyllite of Tlikakila complex from island in Lake Clark, smaller of two island cluster southwest of Portage Creek and southwest of larger and adjacent island with high point at 374 ft.; lat. 60 deg. 19 min. 20 sec., long. 154 deg. 04 min. 00 sec., Lake Clark B-3 quad.

82-CC-3 , Lake Clark , Calcareous fine sandstone and siltstone turbidites--sequence is part of undifferentiated regionally extensive Jurassic-Cretaceous flysch that underlies lowlands west of Alaska Range. From white weathering fine-grained calcareous bed within thin-bedded to very thin bedded siltstone and shale sequence at lat. 60 deg. 16 min., long. 155 deg. 01 min.

82-CC-8B , Lake Clark , Interlayered very fine grained calcareous and siliceous bands with scattered dark-gray to brown metavolcanic(?) layers that are isoclinally folded. Outcrop on easternmost island among cluster of small island in upper Lake Clark that is near north shore of lake between Miller and Portage Creeks. Island has small sand spit at northern point and reaches elevation of 374 ft., lat. 60 deg. 19 min., long. 154 deg. 03 min., Lake Clark B-3 quad.

2 indet. bar fragments of post-Ordovician morphotype

1 phosphatized gastropod steinkern

82-CC-9B , Lake Clark , Melange belt with discontinuous, en echelon blocks of fractured limestone in a fine-grained matrix of maroon and green phyllite. At 3800 feet elevation along west slope of ridge northeast from benchmark, between upper eastern tributaries to Portage Creek drainage, lat. 60 deg. 24 min. 24 sec., long. 153 deg. 58 min. 25 sec., Lake Clark B-3 quad.

82-CC-10G , Lake Clark , Isolated lenses of limestone aligned along foliation in banded quartzites, Tlikakila complex. In saddle west of peak 4947 on ridge northeast of Portage Lake, lat. 60 deg. 32 min., long. 153 deg. 48 min., Lake Clark C-3 quad.

82-CC-11B , Lake Clark , Tectonic blocks of white limestone infolded with chert and greenstone sequence, Tlikakila complex. Peak 4947 on ridge northeast of Portage Lake to west of saddle, lat. 60 deg. 32., long. 153 deg. 47 min., Lake Clark C-3 quad.

82-CC-12A , Lake Clark , Medium- to fine-grained, white-weathering limestone in discontinuous lenses within green phyllitic chert/tuffs, Tlikakila complex. Just off peak 4947 on small spur to southeast from high point on ridge line, lat. 60 deg. 31 min., long. 153 deg. 47 min., Lake Clark C-3 quad.

82-CC-15A (Mesozoic loc. 33063) , Lake Clark , Dark-gray micritic limestone and carbonaceous limestone of Tlikakila complex on ridge south of Portage Lake and lake 1461. Sec. 33, T. 5 N., R. 26 W., lat. 60 deg. 29 min., long. 153 deg. 51 min., Lake Clark C-3 quad.

3 Epigondolella sp. (2 juvenile specimens and 1 incomplete specimen) of late Karnian-Norian morphotype

1 Neogondolella sp. indet. (tectonically stretched)

1 indet. bar fragment

82-CC-16B , Lake Clark , Light-gray limestone lens along foliation in greenschist and schistose metachert of Tlikakila complex on ridge south of Portage Lake and lake 1461, lat. 60 deg. 29 min., long. 153 deg. 51 min., Lake Clark B-3 quad.

1 M element of Silurian-Triassic morphotype

1 indet. conodont fragment

82-CC-27 , Lake Clark , Melange unit of heterolithologic foliated greenschist, calcareous phyllite and some light-green chert and lumps of red jasper that are sheared and isoclinally folded. From small peanut shaped island that is westernmost island in cluster of 3 islands, south of island 351 ft. elev., lat. 60 deg. 19 min., long. 154 deg. 06 min., Lake Clark B-3 quad.

82-CC-28B , Lake Clark , Thinly laminted, bioclastic limestone interbedded with chert grit sandstone in Tlikakila complex. From island in upper Lake Clark, lat. 60 deg. 19 min., long. 154 deg. 06 min., Lake Clark B-3 quad.

82-CC-28C , Lake Clark , Massive to thinly laminated limestone, locally clastic with graded chert-grit sandstone of Tlikakila complex. FRom island in upper Lake Clark, larger island in three-island cluster southeast of island 351 ft. elev., lat. 60 deg. 19 min., long. 154 deg. 06 min., Lake Clark B-3 quad.

2 indet. bar fragments of post-Early Ordovician morphotype

82-CC-28N , Lake Clark , Limestone in Tlikakila complex from island in upper Lake Clark, larger island in three-island cluster southeast of island 351 ft. elevation, lat. 60 deg. 19 min., long. 154 deg. 06 min., Lake Clark B-3 quad.

82-CC-53 , Healy , Small limestone pebbles in Lower Cretaceous conglomerate from lat. 63 deg. 22 min. 02 sec., long. 149 deg. 31 min. 00 sec., Healy B-6 quad.

3 Panderodus sp. elements

1 indet. bar fragment

6 phosphatic brachiopod shards

82-CC-55 , Healy , Limestone pebbles in Lower Cretaceous conglomerate from lat. 63 deg. 22 min. 28 sec., long. 149 deg. 04 min. 35 sec., Healy B-6 quad.

1 mid platform fragment of either Epigondolella ....

..... or a Polygnathus of Middle to Late Devonian morphotype

2 indet. bar fragments

82-CC-65 , Healy , Limestone from lat. 63 deg. 12 min. 42 sec., long. 149 deg. 04 min. 35 sec., Healy C-5 quad. [Note by R.B. Blodgett: description says Healy C-5 quad., but lat. suggests the A-quad tier of the Healy Quad.]

82-CC-75 (10861-SD) , Healy , Small limestone pebbles in Lower Cretaceous conglomerate from lat. 63 deg. 21 min. 48 sec., long. 149 deg. 38 min. 43 sec., Healy B-4 quad.

1 Belodella devonica (Stauffer) s.f.

1 Belodella triangularis (Stauffer) s.f.

1 Panderodus sp.

5 indet. bar and blade fragments of post-Ordovician morphotype

1 pedicle valve of an acrotretid brachiopod

82-CC-77 , Healy , Limestone from lat. 63 deg. 29 min. 36 sec., long. 148 deg. 43 min. 52 sec., Healy B-4 quad.

82-DP-3 1/2 (10862-SD) , Healy , Massive limestone interbedded with tuffs and phyllites, Windy terrane, lat. 63 deg. 27 min. 36 sec., long. 148 deg. 46 min. 30 sec., Healy B-4 quad.

16 Panderodus sp. elements

1 juvenile Pa element of Polygnathus of the Polygnathus varcus Stauffer Group

3 indet. bar and blade fragments

82-DP-45 (Mesozoic loc. 33064) , Healy , Fine-grained carbonate in sandstone and shale sequence, lat. 63 deg. 30 min. 05 sec., long. 149 deg. 10 min. 10 sec., Healy C-5 quad.

2 Pa elements of Neogondolella sp.