Geology of northern Kanaga Island, Alaska

  • 81 Pages
  • 1.18 MB
  • English
U.S. G.P.O. , Washington
Geology -- Alaska -- Aleutian Islands., Volcanoes -- Alaska -- Aleutian Islands., Volcanism -- Alaska -- Aleutian Islands., Rocks, Igneous -- Alaska -- Aleutian Islands., Basalt -- Alaska -- Aleutian Islands., Flood basalts -- Alaska -- Aleutian Islands., Sedimentation and deposition -- Alaska -- Aleutian Isl
Statementby Robert R. Coats ; prepared in cooperation with the Office, Chief of Engineers, U. S. Army.
SeriesInvestigations of Alaskan volcanoes, Geological Survey bulletin -- 1028-D
ContributionsUnited States. Army. Office of the Chief of Engineers.
The Physical Object
Paginationv, 69-81 p., [1] leaf of plates :
ID Numbers
Open LibraryOL22974222M

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GEOLOGY OF NORTHERN KANAGA ISLAND, ALASKA The northern part of Kanaga Idand, one of the central Aleutian Idands, was examined briefly in duly The oldeat rocka recognized cornprim B ~equwce of basalt flows and tuff beds, remnants of a cone that u7aa formed near the pent north coast.

Them socks are believed to be late Tertiary in ege.

Details Geology of northern Kanaga Island, Alaska EPUB

GEOLOGY OF NORTHERN KANAGA ISLAND, ALASKA BY ROBERT R. COATS ABSTRACT The northern part of Kanaga Island, one of the central Aleutian Islands, was examined briefly in July The oldest rocks recognized comprise a sequence of basalt flows and tuff beds, remnants of a cone that was formed near the present north by: Kanaga Island (Aleut: Kanaga) is a part of the Andreanof Islands group of the Aleutian Islands in Geology of northern Kanaga Island.

The island measures 30 miles (48 km) long and between 4–8 miles (– km) wide with an area of sq mi ( km 2), making it the 42nd largest island in the United States. A summary chapter provides an overview and presents a possible model for Alaska's Phanerozoic evolution. Alaska book The Geology of Alaska is the largest publication produced in the Decade of North American Geology program, a fitting tribute to this magnificent area.

Kanaga Island, one of the Andreanof Islands of the Aleutian Islands chain, southwestern Alaska, U.S. The uninhabited island measures 30 miles (50 km) long and 4 to 8 miles ( to 13 km) wide; its northern tip is the site of the Kanaga Volcano, which rises to 4, feet (1, metres) and is.

Learn about the Geology of Alaska with maps, photos and expert descriptions. This 6"x9" paperback has pages that are packed with detailed information about.

From Miller and others (): "Kanaga Volcano occupies the northern corner of Kanaga Island, one of the most southerly members of the Aleutian is a symmetric composite cone m high and km in diameter at sea level, built of interbedded basaltic and andesitic lava flows, scoria layers, and pyroclastic rocks.

MS Book and Mineral Company United States Geological Survey Bulletins - Home Page: Sale: List of Catalogs on this website: Contact information: B D / Coats, R. / GEOLOGY OF NORTHERN KANAGA ISLAND, ALASKA,pb, 12 pages, 2 plates (1 in pocket), 1 figure, $ 8.

This chapter describes the geology of northern Alaska, the largest geologic region of the state of Alaska. Lying entirely north of the Arctic Circle, this region covers an area of almostkm 2 and includes all or part of 36scale quadrangles (Fig.

Description Geology of northern Kanaga Island, Alaska EPUB

Northern Alaska is bordered to the west and north by the Chukchi and Beaufort seas, to the east by the Canadian border, and to.

Mount Kanaga is a stratovolcano at the northern tip of Kanaga Island in the Aleutian Islands, Alaska. It is situated within a caldera, which forms the arcuate Kanaton Ridge south and east of Kanaga. A crater lake occupies part of the SE caldera floor.

The summit of Kanaga has a crater with fumarolic papercitysoftware.comon: Kanaga Island, Alaska, U.S. i / map of hollis area, prince of wales island, alaska, showing linear features as seen on aerial photographs, part 1, $ 10 i / map of hollis area, prince of wales island, alaska, showing linear features as seen on aerial photographs, part 2, $ 10 i / reconnaissance geologic map, kateel river quadrangle, alaska, $ Studies by the U.S.

Geological Survey in Alaska, Geology and Late Quaternary Eruptive History of Kanaga Volcano, a Calc-Alkaline Stratovolcano in the Western Aleutian Islands and –95 (Miller and others, ); less well documented eruptions also were reported in, and Kanaga volcano is an active symmetrical stratovolcano rising m on the northern part of Kanaga Island in the western Aleutians, Alaska.

It is one of the most southerly volcanoes of the central Aleutian chain. The volcano has a small m wide and 60 m deep circular summit crater with fumaroles inside the crater and around its rims.

The most recent eruption was in This photo of Kanaga is to the northwest from Adak Island. Photo by Howard Powers, U.S. Geological Survey, ca. Kanaga volcano. The rim of the older caldera can be seen behind Kanaga. Photo by R.E. Wilcox, U.S. Geological Survey, June Aerial view of Kanaga volcano from the east. means it’s official. Federal government websites often end Before sharing sensitive information, make sure you're on a federal government by: Coats, R. R.,Geology of northern Kanaga Island, Alaska: in Investigations of Alaskan volcanoes, U.S.

Geological Survey Bulletin D, p. 1 sheet, scalefull-text PDF: MB Carnegie Institution of Washington Year Bookp. Zoned ultramafic complexes of the Alaskan type: feeder pipes of andesitic.

With active volcanoes, the highest mountains in North America, and some of the most dramatic glaciers on the planet, Alaska has enough fascinating geology to keep an Earth scientist busy for many lifetimes; the Last Frontier’s extensively deformed and powerfully jumbled rock layers illustrate a complex and extraordinary geologic history spanning hundreds of millions of years.

MP Mulliken, K.M., Schaefer, J.R., and Cameron, C.E.,Geospatial distribution of tephra fall in Alaska: a geodatabase compilation of published tephra fall occurrences from the Pleistocene to the present: Alaska Division of Geological & Geophysical Surveys Miscellaneous Publication46 p.

Jan 05,  · ANCHORAGE, Alaska – A new digital geologic map of Alaska is being released today providing land users, managers and scientists geologic information for the evaluation of land use in relation to resource extraction, conservation, natural hazards and recreation.

The map gives visual context to the abundant mineral and energy resources found throughout the state in a beautifully. Volcanism and History on the Northern Alaska Peninsula.

Book. Full-text available. a major topographic feature on the northern part of Kanaga Island, was the rim of a collapse Don Dumond. A portion of the geology map for the park. The color-coded and labeled shading refers to the rock stratification, the bold dashed lines indicate fault lines.

Located along the southeastern shores of Alaska, Sitka’s terrain is a result of intense glacial advances and retreats during the late Pleistocene, about 14, to 10, years ago.

Kanaga Volcano is a 1, m (4,foot) high, historically active cone-shaped stratovolcano located on the north end of Kanaga Island in the Andreanof Islands Group of the Aleutian Islands.

The volcano is undissected, symmetrical in profile, and is characterized by blocky andesitic lava flows, with well-developed levees and steep flow fronts, that emanate radially from, or near, the m. Volcano Calendar We're proud to present our volcano calendar: 13 different and attractive images of volcanoes, volcanic landscapes and phenomena taken.

Aug 06,  · Geology of Southeast Alaska: Rock and Ice in Motion - Kindle edition by Harold Stowell. Download it once and read it on your Kindle device, PC, phones or tablets. Use features like bookmarks, note taking and highlighting while reading Geology of Southeast Alaska: Rock and Ice in Motion/5(5).

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Alaska has been the scene of volcani s ⇑ c activity on a grand scale many ⇑ — times in the geologic past. In its broadest sense, volcanism is considered by some geologists to.

* NOTE: not all live weather reports for Kanaga Bay, Kanaga Island, Alaska update at the same frequency which is why some locations can show data from stations that are more remote if the report is more recent than known closer ones. PDF | On Jan 1,T.E.

MOORE and others published Geology of northern Alaska. The Geology of Alaska. that an island arc existed along the southern flank of the Bennett-Barrovia block. Geology, Especially Geomorphology, of Northern Alaska ROBERT F. BLACK1 INTRODUCTION Northern Alaska is considered here to include the geomorphic provinces of the Arctic Mountains, the Arctic Foothills, and the Arctic Coastal Plain (Wahr- haftig ).

The Arctic Mountains are loosely synonymous with the Brooks. At UAA, we strive to involve our students in all aspects of geology. Our Geological Sciences faculty are highly motivated and excited to share both their knowledge and their passion for the geologic sciences with you.

Because the University of Alaska-Anchorage is located within an active tectonic margin, the Geological Sciences Department has focused on fusing a traditional classroom.The Asian tectonic plate continues to press its force northward in Alaska and is the cause of continuing episodes of earthquakes, now mostly along the Alaska Peninsula and the upper Aleutian Islands.

The Ice Age In the meantime, since Alaska had been partially formed by .Kanaga volcano is located in northern of Kanaga Island in the western Aleutian islands.

Kanaga Island is part of the Alaska Maritime National Wildlife Refuge. The volcano summit contains a small, circular crater meters in diameter and meters deep. Fumaroles are .