File:Healy Creek-Nenana River confluence (Healy, Alaska, USA) (25847629178).jpg

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(photo by Kira Harris)


(view from railroad; looking ~east-northeast) Healy Creek: looking upstream. Nenana River: upstream is to the right.


The watercourse in the bottom part of the picture is the Nenana River. Located in central Alaska, it is a ~140 mile long, north-flowing tributary of the Tanana River. The photo depicts several channels and mid-river sediment bars. The Nenana River originates from the Nenana Glacier area of the Alaska Range.

The river in the center and right portions of the picture is Healy Creek, a west-flowing tributary of the Nenana River. It is a braided stream heavily choked with sediments.

The outcrops in the hillsides above Healy Creek are structurally-tilted sedimentary rocks of Tertiary age. The succession includes some coals. The hillsides above that consist of forest-covered Nenana Gravel, an upper Tertiary (Miocene to Pliocene), coarse-grained siliciclastic unit.

Locality: Healy Creek-Nenana River confluence, just southeast of the town of Healy, central Alaska, USA (63° 51' 00.22" North latitude, 148° 56’ 25.69" West longitude)


Bedrock geology info. from:

Csejtey et al. (1992) - Geology and geochronology of the Healy Quadrangle, south-central Alaska. United States Geological Survey Miscellaneous Investigations Series Map I-1961. Plate 1.
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Source Healy Creek-Nenana River confluence (Healy, Alaska, USA)
Author James St. John

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This image was originally posted to Flickr by James St. John at https://flickr.com/photos/47445767@N05/25847629178 (archive). It was reviewed on 28 January 2020 by FlickreviewR 2 and was confirmed to be licensed under the terms of the cc-by-2.0.

28 January 2020

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current02:26, 28 January 2020Thumbnail for version as of 02:26, 28 January 20204,032 × 3,024 (3.49 MB)Ser Amantio di Nicolao (talk | contribs)Transferred from Flickr via #flickr2commons

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