Geologic map of the Iditarod C-3 Quadrangle, Alaska

Geologic map of the Iditarod C-3 Quadrangle, Alaska, Professional Report 96, provides 1:63,360 geologic mapping of the Iditarod C-3 Quadrangle. The Iditarod C-3 Quadrangle lies on the eastern edge of the Kuskokwim Mountains, a maturely dissected upland of accordant, rounded ridges and broad, sediment-filled lowlands. Mineral deposits of economic significance in the area include the gold cinnabar-chromite placer deposits on Moore, Fourth of July, and Deadwood Creeks, the Broken Shovel silver-gold lode, and sand and gravel deposits in tailings along Moore Creek. The dataset contains geologic, structural, stratigraphic, and geochronologic data organized according to the GeMS and AK GeMS mapping schemas. The complete report, geodatabase, and ESRI fonts and style files are available from the DGGS website: http://doi.org/10.14509/2277.

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geologic map
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Campo	Valore
access_constraints	["Use Constraints: Any hard copies or published datasets utilizing these datasets shall clearly indicate their source. If the user has modified the data in any way, the user is obligated to describe the types of modifications the user has made. The user specifically agrees not to misrepresent these datasets, nor to imply that changes made by the user were approved by the State of Alaska, Department of Natural Resources, Division of Geological & Geophysical Surveys. The State of Alaska makes no express or implied warranties (including warranties for merchantability and fitness) with respect to the character, functions, or capabilities of the electronic data or products or their appropriateness for any user's purposes. In no event will the State of Alaska be liable for any incidental, indirect, special, consequential, or other damages suffered by the user or any other person or entity whether from the use of the electronic services or products or any failure thereof or otherwise. In no event will the State of Alaska's liability to the Requestor or anyone else exceed the fee paid for the electronic service or product.", "Access Constraints: This report, map, and/or dataset is available directly from the State of Alaska, Department of Natural Resources, Division of Geological & Geophysical Surveys (see contact information below)."]
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contact-email	dggspubs@alaska.gov
coupled-resource	[]
dataset-reference-date	[{"type": "publication", "value": "1988-01-01"}]
frequency-of-update	notPlanned
guid	d2b8ef7d-6eb2-4290-a0db-a9f36b589557_source
licence	["The State of Alaska makes no expressed or implied warranties (including warranties for merchantability and fitness) with respect to the character, functions, or capabilities of the electronic data or products or their appropriateness for any user's purposes. In no event will the State of Alaska be liable for any incidental, indirect, special, consequential, or other damages suffered by the user or any other person or entity whether from the use of the electronic services or products or any failure thereof or otherwise. In no event will the State of Alaska's liability to the Requestor or anyone else exceed the fee paid for the electronic service or product."]
lineage	This lineage was generated by the FGDC CSDGM to 19139 transformation
metadata-date	2023-11-13
metadata-language	eng; USA
metadata_type	geospatial
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temporal-extent-begin	1983-01-01
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Gruppi	AmeriGEOSS National Provider North America
Tag	AmeriGEO AmeriGEOSS CKAN GEO GEOSS National North America United States agates age dates alluvial alluvium analyses andesite aniak mining district apatite argillite banner creek basalt bedrock bedrock geology bismuth black pass bonanza creek breccia camelback mountain chalcedony chert chlorite chromium cipw norms clay colluvium conglomerate conodonts contact copper corundum cretaceous dacite deadwood creek derivative dike dishna river early triassic eolian erosion fan feldspar felsic felsite fourth of july creek gems db l3 compliant gems db v1pt1 generalized geochemistry geochronology geodes geologic map geology george river glacial gold gravel guggenheim creek holocene hornblende hornfels ice iditarod igneous innoko mining district inoceramus interpretation intrusive iron jurassic kuskokwim group landslide lead limestone major oxides maybe creek mcgrath mining district mercury metamorphic mica mineral exploration mineral resources minerals mining mississippian montana creek monzonite moore creek moose creek mudstone nixon-iditarod fault non-metals nuggets paleocurrent paleontology placer plagioclase plant fossils pleistocene plutons porcupine creek prehnite production data quartz rhyolite rocks saint patrick creek sand sand and gravel sandstone sediment sedimentary shale shoaty creek shoaty mountain silica silt siltstone silver slate surficial tailings talus tephra terrace till tourmaline trace metals tuff tungsten turbidite volcanic willow creek zinc
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metadata_created	2025-09-23T14:22:00.807255
metadata_modified	2025-09-23T14:22:00.807260
notes	Geologic map of the Iditarod C-3 Quadrangle, Alaska, Professional Report 96, provides 1:63,360 geologic mapping of the Iditarod C-3 Quadrangle. The Iditarod C-3 Quadrangle lies on the eastern edge of the Kuskokwim Mountains, a maturely dissected upland of accordant, rounded ridges and broad, sediment-filled lowlands. Mineral deposits of economic significance in the area include the gold cinnabar-chromite placer deposits on Moore, Fourth of July, and Deadwood Creeks, the Broken Shovel silver-gold lode, and sand and gravel deposits in tailings along Moore Creek. The dataset contains geologic, structural, stratigraphic, and geochronologic data organized according to the GeMS and AK GeMS mapping schemas. The complete report, geodatabase, and ESRI fonts and style files are available from the DGGS website: http://doi.org/10.14509/2277.
num_resources	2
num_tags	141
title	Geologic map of the Iditarod C-3 Quadrangle, Alaska