McHugh Complex of South-Central Alaska by Sandra H. B. Clark

Cover of: McHugh Complex of South-Central Alaska | Sandra H. B. Clark

Published by U.S. Govt. Print. Off. in [Washington .

Written in English

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  • Alaska,
  • Anchorage region.


  • Geology, Stratigraphic -- Mesozoic.,
  • Geology -- Alaska -- Anchorage region.

Edition Notes

Bibliography: p. 10-11.

Book details

Statementby Sandra H. B. Clark.
SeriesContributions to stratigraphy, Geological Survey bulletin 1372-D, Geological Survey bulletin ;, 1372-D.
LC ClassificationsQE75 .B9 no. 1372-D, QE675 .B9 no. 1372-D
The Physical Object
Paginationiii, 11 p.
Number of Pages11
ID Numbers
Open LibraryOL5389232M
LC Control Number72600325

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McHugh Complex of South-Central Alaska (OCoLC) Material Type: Government publication, National government publication: Document Type: Book: All Authors / Contributors: Sandra H B Clark; Geological Survey (U.S.).

Electronic books Electronic government information: Additional Physical Format: Print version: Clark, Sandra H.B. McHugh Complex of South-Central Alaska (OCoLC) Material Type: Document, Government publication, National government publication, Internet resource: Document Type: Internet Resource, Computer File: All Authors / Contributors.

THE McHUGH COMPLEX OF SOUTH-CENTRAL ALASKA By SANDRA H. CLARK ABSTRACT The name McMugh Complex is herein introduced for a heterogeneous as­ semblage of weakly metamorphosed clastic and volcanic rocks that are well exposed along the northwest flank of the Chugach Mountains near Anchor­ age, by: means it’s official.

Federal government websites often end Before sharing sensitive information, make sure you’re on a federal government site. State of Alaska Alaska / Natural Resources DNR / Geological & Geophysical Surveys DGGS / Publications Pubs / B D B D USGS B D The McHugh Complex of south-central Alaska.

Deformation History of the McHugh Complex, Seldovia Quadrangle, South-Central Alaska Article (PDF Available) January with Reads How we measure 'reads'.

According to Clark (), the McHugh Complex consists of two lithologically distinct but structurally juxtaposed packages. Dominant or most common is a metaclastic sequence McHugh Complex of South-Central Alaska book predominantly of gray, gray-green, and dark-green weakly metamorphosed * * * siltstone, graywacke, arkose, and conglomeratic sandstone” (Clark, ).

THE McHUGH COMPLEX OF SOUTH-CENTRAL ALASKA ABSTRACT The name McMugh Complex is herein introduced for a heterogeneous as- semblage of weakly metamorphosed clastic and volcanic rocks that are well exposed along the northwest flank of the Chugach Mountains near Anchor- age File Size: 2MB. The McHugh Complex of south-central Alaska (Clark, ) and its lateral equivalent, the Uyak Complex of Kodiak (Connelly, ), is a mélange constituting part of the Chugach terrane of southern Alaska.

A mile climb of 4,foot-high McHugh Peak. You’ll also have a hard time forgetting the view from the summit, which extends up the length of Turnagain Arm and across Knik Arm to the Alaska Range. In southeast Alaska the Chugach terrane represents an accretionary complex associated with several arcs active at Ma.

This lithostratigraphic unit consists of blueschists with Early Jurassic metamorphic ages and uncertain depositional ages; the Jurassic-Cretaceous McHugh Complex; and the Late Cretaceous Valdez Group. Detrital zircon ages from densely sampled transects reveals patterns. We report the results of field mapping and petrographic, geochemical, and geochronological analyses of the McHugh Complex accretionary prism mélange in south-central Alaska McHugh Complex of South-Central Alaska book was recently exposed due to retreat of the Nelchina Glacier.

The McHugh Complex constitutes the older, inboard part of the Chugach terrane in south-central Alaska. On Kodiak Island, equivalent rocks are called the Uyak Complex (Connelly, ). New studies of the Liberty Creek and Iceberg Lake blueschist bodies of south central Alaska indicate that despite structural similarities, these blueschist bodies are derived from a different protolith and were metamorphosed to blueschist facies at distinctly different times.

Both blueschists are located just south of the Border Ranges Fault (BRF) within outcrop belts of the McHugh Complex, a. The McHugh Complex of south-central Alaska. U.S. Geological Survey Bulletin, D. Google Scholar Clift PD, Pavlis T, DeBari SM, Draut AE, Rioux M, Kelemen PB.

The McHugh complex of south-central Alaska and its lateral equivalent, the Uyak complex of Kodiak, are part of the Mesozoic/Cenozoic accretion- ary wedge of the Chugach terrane. The vast extent of the McHugh complex has proven to be of value in reconstructing the tectonics of the Pacific realm and has been compared with similar tracts such as.

Get out of the city and deeper into the Alaskan wilderness than is typical on a sightseeing tour. This small-group tour takes you to Chugach National Forest, Beluga Point, Portage Glacier, and more to spot brown bears, wolves, bison, and belugas TripAdvisor reviews.

Similar Items. The McHugh Complex of South-Central Alaska / by: Clark, Sandra H. B., Published: () Mesozoic(?) rocks in the Baboquivari Mountains, Papago Indian. NOTE: The State of Alaska makes no expressed or implied warranties (including warranties of merchantability and fitness) with respect to the character, function, or capabilities of this product or its appropriateness for any user’s 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 Missing: McHugh Complex.

McHugh Complex The McHugh Complex forms the hanging wall of the Chugach Bay fault in the Seldovia quadrangle. It is equivalent to the Uyak Complex and Cape Current terrane on Kodiak Islands [Moore and Connelly, ; Connelly, ] and Kelp Bay Group of southeastern Alaska.

Detrital zircon ages from the Chugach terrane, southern Alaska, reveal multiple episodes of accretion and erosion in a subduction complex Article in Geology 38(5) April with 23 Reads. Progressive deformation of the Chugach accretionary complex, Alaska, during a paleogene ridge-trench encounter Tectonophys Progressive deformation of the Chugach accretionary complex Reches, Z.

() Faulting of rocks in three-dimensional strain fields II. The McHugh Complex of south-central Alaska. Bulletin of U.S. You can write a book review and share your experiences.

Other readers will always be interested in your opinion of the books you've read. Whether you've loved the book or not, if you give your honest and detailed thoughts then people will find new books that are right for them., Free ebooks since Missing: McHugh Complex.

Abstract Permian to Cretaceous mélange of the McHugh Complex on the Kenai Peninsula, south-central Alaska includes blocks and belts of graywacke, argillite, limestone, chert, basalt, gabbro, and ultramafic rocks, intruded by a variety of igneous rocks.

An oceanic plate stratigraphy is repeated hundreds of times across the map area, but most. Group. K-Ar age on granitic clast yielded +/-7 Ma (M.A. Lanphere and Arthur Grantz, oral commun., ). Helen Foreman identified radiolarians of Mesozoic types (written commun., ). R.C. Douglass identified fusulinids of late Paleozoic age (written commun., ).

Age of McHugh Complex is thought to be Late Jurassic and (or) Cretaceous. The Tony Knowles Coastal Trail is one of four greenbelt trails located in Anchorage.

Even though the trail spans miles each way (from Kincaid Park to just north of where 2nd Avenue ends in the Cook Inlet), it is easily picked up from several points in the city, so you can enjoy any segment and hike as little or much of the trail as you g: McHugh Complex.

ALASKA DIVISION OF GEOLOGICAL AND GEOPHYSICAL SURVEYS OPHIOLITIC COMPLEXES AND ASSOCIATED ROCKS NEAR THE BORDER RANGES FAULT ZONE, SOUTH CENTRAL ALASKA by Laurel E. Burns 1 Open-File Report OF E This report is preliminary and has not been reviewed for conformity with U.S. Turnagain Arm, just east of Anchorage, provides a readily accessible, world-class cross section through a Mesozoic accretionary wedge.

Nearly continuous exposures along the Seward Highway, the Alaska Railroad, and the shoreline of Turnagain Arm display the two main constituent units of the Chugach terrane: the McHugh Complex and Valdez Group.

Get directions, reviews and information for McHugh Creek - Chugach State Park in Anchorage, AK. McHugh Creek - Chugach State Park [ - ] Seward Hwy Anchorage AK 10 Reviews () Website.

McHugh Creek is a pretty decent hiking trail. Let's break it down by the Pro's and Con's Pros: Close to town: probably the most Missing: McHugh Complex. The collision of oceanic arcs with continental margins is an important mechanism for the growth of continents. Ancient forearc basin strata in collisional orogens provide a record of the upper crustal response to this tectonic process.

In south central Alaska, Mesozoic forearc basin strata are exposed in a complete crustal section. Chugach State Park coversacres (2, square kilometers) immediately east of the Anchorage Bowl in south-central Alaska.

Though primarily in the Municipality of Anchorage, a small portion of the park north of the Eklutna Lake area in the vicinity of Pioneer Peak lies within the Matanuska-Susitna Borough. Established by legislation signed into law on August 6,by Alaska Governor. Looking for the CLOSEST Hotels near McHugh Creek Recreation Area.

Save 10% w/ Insider Prices on Cheap McHugh Creek Recreation Area Hotels. $1 Orbuck = $1. Get your points now. Abstract. Data collected in the Port Wells gold mining district, Alaska, indicate several stages in the structural history of the district.

The first stage was the accretion and associated deformation of the Valdez group flysch sequence at the end of the Cretaceous. The Southcentral region in Alaska is one of our most popular hot spots.

With abundant fishing and wildlife, wilderness trails and urban shopping, access to many of Alaska’s national parks and glaciers, the South Central region including the Kenai Peninsula, is a must for any Alaska vacation Alaska cruise tours depart from the nearby ports of Whittier and g: McHugh Complex.

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@article{osti_, title = {Geochemistry of siliciclastic rocks in the Peninsular, Chugach, and Prince William terranes: Implications for the tectonic evolution of south central Alaska}, author = {Gilbert, S.A.

and Casey, J.F. and Bradley, D. and Kusky, T.}, abstractNote = {According to some interpretations, south-central Alaska consists of a series of unrelated terranes juxtaposed by.

Permian Tethyan Fusulinina from the Kenai Peninsula, Alaska - Volume 71 Issue 6 - Calvin H. Stevens, Vladimir I. Davydov, Dwight BradleyMissing: McHugh Complex.

The McHugh Complex of South-Central Alaska /US Geological Survey Bulletin D. $ Free shipping. Illinois State Geological Survey Bulletin No. 27, Geo. Of Upper IL. Valley. $ 0 bids + $ Shipping.

A book that has been read but is in good condition. Very minimal damage to the cover including scuff marks, but no holes or Seller Rating: % positive. Guide to the Bedrock geology of a Traverse of the Chugach Mountains from Anchorage to Cape Resurrection, Pa Abstract: Portage Lake and Glacier.

Winkler 1. The following synopsis of what we will see at the Chugach National Forest visitor center at Portage Lake is adapted from Mayo and others ().For centuries the low pass at the head of Turnagain Arm served as a surface. Book Your Stay in South Central Alaska Lodges. If you worship the wilderness but also want extravagant comfort on your holiday, let one of our lodges be home base for your South Central Alaska getaway.

Our lodges are the definition of South Central Alaska comfort with all the modern g: McHugh Complex. West of Richardson HWY, southern contact with McHugh Complex is complex fault zone along Border Ranges fault system.

Northern contact with Talkeetna Formation is faulted. Age of unit is in part Middle Jurassic based on K-Ar ages on hornblende from 3 samples ( to Ma) and Ar40/Ar39 analysis of one of these hornblendes.The Upper Cretaceous Valdez Group represents the flysch facies of the Mesozoic Chugach terrane accretionary complex in southern Alaska.

The Valdez Group is dominated by litharenite sandstone and argillite deposited as coherent beds, unlike the older McHugh Complex .Department of Natural Resources W.

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