1-20 OF 41 RESULTS FOR

Necker Island

Results shown limited to content with bounding coordinates.
Follow your search
Access your saved searches in your account

Would you like to receive an alert when new items match your search?
Close Modal
Sort by
Journal Article
Journal: GSA Bulletin
Published: 01 March 2021
GSA Bulletin (2021) 133 (9-10): 2189–2209.
...James V. Gardner; Brian R. Calder; Andrew A. Armstrong Abstract This study describes the geomorphometries of archipelagic aprons on the southern flanks of the French Frigate Shoals and Necker Island edifices on the central Northwest Hawaiian Ridge that are hotspot volcanoes that have been dormant...
FIGURES | View All (23)
Image
Plots of (A) French Frigate Shoals (FFS) and <span class="search-highlight">Necker</span> <span class="search-highlight">Island</span> (NI) edifices es...
Published: 01 March 2021
Figure 10. Plots of (A) French Frigate Shoals (FFS) and Necker Island (NI) edifices estimate slide volume vs. seafloor gradient and (B) distance from the base of the edifice. (C) Plot of long base length vs. short base length of outrunners off FFS and NI edifices. (D) Plots of estimated outrunner
Image
(A) Map view of multibeam echosounder bathymetry of <span class="search-highlight">Necker</span> <span class="search-highlight">Island</span> edifice (...
Published: 01 March 2021
Figure 18. (A) Map view of multibeam echosounder bathymetry of Necker Island edifice (NI) archipelagic apron. Isobaths are in meters. Dashed black lines are track lines of sub-bottom profiler line L246 (see Fig. 21 ). White arrows in (C) point to outrunners. (B) Same area
Image
Sub-bottom profiler record south of the <span class="search-highlight">Necker</span> <span class="search-highlight">Island</span> edifice that shows th...
Published: 01 March 2021
Figure 21. Sub-bottom profiler record south of the Necker Island edifice that shows the lack of sediment drape. Location of profile is shown in Figure 18A .
Image
(A) Map view of multibeam echosounder bathymetry of <span class="search-highlight">Necker</span> <span class="search-highlight">Island</span> edifice (...
Published: 01 March 2021
Figure 18. (A) Map view of multibeam echosounder bathymetry of Necker Island edifice (NI) archipelagic apron. Isobaths are in meters. Dashed black lines are track lines of sub-bottom profiler line L246 (see Fig. 21 ). White arrows in (C) point to outrunners. (B) Same area
Journal Article
Journal: GSA Bulletin
Published: 01 May 1974
GSA Bulletin (1974) 85 (5): 727–738.
...G. BRENT DALRYMPLE; MARVIN A. LANPHERE; EVERETT D. JACKSON Abstract Petrographic and chemical analyses of basalt from Nihoa Island, Necker Island, French Frigate Shoals, and Midway Atoll, all in the leeward part of the Hawaiian chain, confirm that these islands are subaerial remnants of tholeiitic...
Series: GSA Memoirs
Published: 01 March 1956
DOI: 10.1130/MEM64-p1
... of these seamounts were surveyed by echo sounder, dredged, and cored, and were found to be peaks on a great submarine range—the Mid-Pacific Mountains—which extends from Necker Island in the Hawaiian Islands to near Wake Island. The flat-topped guyots are submerged to between 700 and 900 fathoms. The sides...
Journal Article
Journal: GSA Bulletin
Published: 30 September 1925
GSA Bulletin (1925) 36 (3): 521–544.
... of the volcanic islands of the Hawaiian chain, without exception. Every island in the chain shows it. One or the other of us has observed the bench on La Perouse Rock at French Frigates Shoal, Necker Island, Nihoa Island, Kaula Island, Kauai, Oahu, Molokai, Lanai, Maui, Kahoolawe, and Hawaii. Study of photographs...
Journal Article
Journal: Geology
Published: 01 August 1984
Geology (1984) 12 (8): 459–463.
.... of hotspot activity, when the field was 50% normal and 50% reversed, 19 of 23 volcanic edifices from Hawaii to Necker Island were dominantly normal, one probably was normal, and three were dominantly reversed. Statistical probabilities, consideration of induction in the present normal field...
Image
Slope map of multibeam echosounder bathymetry of archipelagic aprons of Fre...
Published: 01 March 2021
Figure 14. Slope map of multibeam echosounder bathymetry of archipelagic aprons of French Frigate Shoals (FFS) and Necker Island (NI) edifices accentuates bedforms. Isobath interval is 100 m. Profiles A–B and C–D are shown in Figure 15 .
Image
Map view of MBES bathymetry of large field of bedforms shed off the southea...
Published: 01 March 2021
Figure 20. Map view of MBES bathymetry of large field of bedforms shed off the southeastern flank of Necker Island edifice (NI) and southern flank of French Frigate Shoals (FFS) and deposited on the NW side of Necker Ridge. Selected isobaths in meters. Dashed black line outlines field of bedforms
Image
(A) Plot of debris avalanche areas vs. runout distance is overlain with cur...
Published: 01 March 2021
., 2014 ). FFSE—French Frigate Shoals edifice data; NIE—Necker Island edifice data. The Moore et al. (1989) data points are from the debris avalanches off the Hawaiian Islands, and the Watt et al. (2014) data points are from various areas in the Atlantic and Caribbean.
Image
(A) Multibeam echosounder (MBES) bathymetry of southern archipelagic aprons...
Published: 01 March 2021
Figure 7. (A) Multibeam echosounder (MBES) bathymetry of southern archipelagic aprons of French Frigate Shoals (FFS) and Necker Island (NI) edifices with the extent outlines in black dashed lines. White dashed lines outline the extent of the archipelagic aprons; see text for discussion of chute
Image
Overview map shows bathymetry of a section of the mid-Hawaiian Ridge and Mi...
Published: 01 March 2021
Figure 6. Overview map shows bathymetry of a section of the mid-Hawaiian Ridge and Mid-Pacific Mountains in the vicinity of the French Frigate Shoals (FFS) and Necker Island (NI) edifices. Yellow rectangle encloses the study area. White circles indicate locations of piston cores (PC) in area
Image
(A) Perspective view of multibeam echosounder bathymetry looking NNE of sou...
Published: 01 March 2021
Figure 19. (A) Perspective view of multibeam echosounder bathymetry looking NNE of southern flank of Necker Island edifice (NI). (B) Acoustic backscatter image of (A). Debris avalanche A is outlined by dashed yellow line. Black and white dashed line is Profile A–B, which trends up the debris
Journal Article
Published: 01 October 2019
Earth Sciences History (2019) 38 (2): 299–326.
... to geologists, and it was here Necker became a convert to the igneous theory of granite, and was apparently one of the first to draw attention to the granite veins of Tor-nid-neon. Encouraged by this, he began a more extensive tour of the Hebrides and Western islands on 6 August 1807 and spent three months...
FIGURES | View All (4)
Published: 01 January 1970
DOI: 10.1130/MEM126-p23
... Trench described recently for the South Pacific. From this point, the flow divides into two zonal branches. The eastern branch passes between the Johnston Island and Christmas Island Ridges and the western branch passes between the Marshall Islands and the Marcus-Necker Ridge. After trans-versing...
Journal Article
Published: 01 April 2020
Earth Sciences History (2020) 39 (1): 88–98.
... the adjacent hills to its north and west). He colored the narrow strip of land between them and the northwest corner of the island pale pink, for the ‘Primitive Rocks, stratified’ which he used also for most of the Grampian Highlands. On Berger’s 1816 map, the ‘Granite’ outcrop is smaller than on Necker’s 1808...
FIGURES | View All (7)
Journal Article
Journal: Geology
Published: 23 July 2021
Geology (2021) 49 (11): 1358–1362.
... the southern end of the Line Islands (purple squares) and another Necker Ridge sample (yellow diamond) exhibit elevated 87 Sr/ 86 Sr at a given 206 Pb/ 204 Pb ratio. These samples fall within the Marquesas compositional cloud, which trends toward higher 87 Sr/ 86 Sr. This signature is consistent with our...
FIGURES | View All (4)
... Aseismic ridges on underthrusting oceanic plates often trend into cusps or irregular indentations in the trace of the subduction zone. For example, the Hawaii-Emperor Ridge trends into the Kuril-Aleutian cusp, and the Marianas arc is bounded by the Marcus-Necker Ridge on the north...