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Lassiter Coast

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Journal Article
Journal: GSA Bulletin
Published: 22 January 2018
GSA Bulletin (2018) 130 (7-8): 1177–1196.
... plate reorganization. New U-Pb geochronology from the Lassiter Coast intrusive suite in the southern Antarctic Peninsula identifies a major magmatic event in the interval 130–102 Ma that was characterized by three distinct peaks in granitoid emplacement at 130–126 Ma, 118–113 Ma, and 108–102 Ma...
FIGURES | View All (10)
Journal Article
Published: 01 November 2012
Journal of the Geological Society (2012) 169 (6): 759–771.
... Ma, >13000 km 2 Cretaceous Lassiter Coast Intrusive Suite, during the accretionary mid-Cretaceous Palmer Land Event orogeny. A previously undated >100 m thick dyke-like quartz tonalite intrusion was emplaced at 116.5 ± 1.5 Ma (Ar–Ar biotite cooling age) along a NW–SE axis, coeval with NW–SE...
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Journal Article
Journal: GSA Bulletin
Published: 01 December 1986
GSA Bulletin (1986) 97 (12): 1521–1533.
...WALTER R. VENNUM; PETER D. ROWLEY Abstract Calc-alkaline plutonic rocks of the Lower Cretaceous Lassiter Coast Intrusive Suite are the predominant rocks exposed in the Lassiter, Orville, and southern Black Coasts and eastern Ellsworth Land of West Antarctica. Compositions range from granite...
Journal Article
Published: 01 April 1979
American Mineralogist (1979) 64 (3-4): 268–273.
Journal Article
Journal: Economic Geology
Published: 01 August 1975
Economic Geology (1975) 70 (5): 982–987.
Image
Outcrop images of granitoids from the <span class="search-highlight">Lassiter</span> <span class="search-highlight">Coast</span> intrusive suite. (A) S...
Published: 22 January 2018
Figure 3. Outcrop images of granitoids from the Lassiter Coast intrusive suite. (A) Sample R.7180.1: zones of grain-size reduction are consistent with mylonite formation in brittle/ductile shear zone. (B) Sample P14.25.1: quartz diorite with a pronounced tectonic foliation. (C) Sample P14.46.1
Image
Compiled structural data for the <span class="search-highlight">Lassiter</span> <span class="search-highlight">Coast</span>, showing: (A) WNW-ESE tecto...
Published: 22 January 2018
Figure 7. Compiled structural data for the Lassiter Coast, showing: (A) WNW-ESE tectonic compression preceding Lassiter Coast intrusive suite emplacement, as recorded by the poles to the tilted bedding of the Latady Formation host rocks; (B) synemplacement WNW-ESE compression as recorded
Image
(A) Age histograms and cumulative frequency curves for the age of granitoid...
Published: 22 January 2018
Figure 6. (A) Age histograms and cumulative frequency curves for the age of granitoids from the Lassiter Coast intrusive suite, highlighting the episodicity of the mid-Cretaceous magmatic event. Data sources: U-Pb data—this study; Flowerdew et al. (2005) ; and Vaughan et al. (2002 , 2012b
Image
(A) Reconstruction of the West Gondwana margin at ca. 130 Ma ( Martin, 2007...
Published: 22 January 2018
Figure 1. (A) Reconstruction of the West Gondwana margin at ca. 130 Ma ( Martin, 2007 ), showing the location of the Lassiter Coast intrusive suite granitoids. PAT—Patagonia; TI—Thurston Island; MBL—Marie Byrd Land; AP—Antarctic Peninsula; MAD—Madagascar; NZ—New Zealand; FPB—Falkland Plateau Bank
Image
Map of the Antarctic Peninsula showing the extent of the V1 volcanism of th...
Published: 03 November 2016
Fig. 2. Map of the Antarctic Peninsula showing the extent of the V1 volcanism of the Mount Poster and Brennecke formations and the locations and ages of the Early Jurassic plutonic rocks. The extent of the mid-Cretaceous Lassiter Coast intrusive suite is also shown.
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Map of the southern Antarctic Peninsula (Palmer Land) showing the extent of...
Published: 22 January 2018
Figure 2. Map of the southern Antarctic Peninsula (Palmer Land) showing the extent of the mid-Cretaceous Lassiter Coast intrusive suite and the locations of the samples analyzed as part of this study. EPSLZ—Easter Palmer Land shear zone; WB—putative extent of the Werner Batholith; Gl.—Glacier.
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Reconstruction of Gondwana at  c.  180 Ma showing the extent of the main gr...
Published: 03 November 2016
and Fuegian Batholiths; APB, Antarctic Peninsula Batholith; LCIS, Lassiter Coast Intrusive Suite.
Image
Representative cathodoluminescence images of analyzed zircon grains from gr...
Published: 22 January 2018
Figure 5. Representative cathodoluminescence images of analyzed zircon grains from granitoids of the Lassiter Coast intrusive suite. Circles indicate the position of analysis. (A) Sample P14.3.1 Copper Nunataks. (B) Sample P14.103.1 Hutton Mountains. (C) Sample R.7629.1 Du Toit Mountains. (D
Image
Geological map of the Antarctic Peninsula, showing the distribution of the ...
Published: 04 August 2015
and Lassiter Coast Intrusive Suite from Vennum & Rowley (1986) , Hathway (2000) and Flowerdew et al . (2005) .
Image
Mid-Cretaceous reconstruction of the palaeo-Pacific ocean basin after  Vaug...
Published: 01 November 2012
provinces. Comei igneous province after Zhu et al. (2009) . AP, Antarctic Peninsula; BB, Bunbury Basalts; CIP, Comei Igneous Province; CCP, Caribbean–Colombian Plateau; HP, Hikurangi Plateau; LCIS, Lassiter Coast Intrusive Suite; MBL, Marie Byrd Land; MP, Manihiki Plateau; NZ, New Zealand; OJP, Ontong
Image
( a ) Tectonic elements map of the Antarctic Peninsula modified after  Vaug...
Published: 01 November 2012
Fig. 2. ( a ) Tectonic elements map of the Antarctic Peninsula modified after Vaughan et al. (2012 a ) . ( b ) Distribution of plutonic rocks in the southern Antarctic Peninsula showing the Lassiter Coast Intrusive Suite (LCIS) after Vennum & Rowley (1986) and components of the Antarctic
Image
Concordia diagrams for analyzed zircon grains from granitoids of the <span class="search-highlight">Lassit</span>...
Published: 22 January 2018
Figure 4. Concordia diagrams for analyzed zircon grains from granitoids of the Lassiter Coast intrusive suite, Antarctic Peninsula. Dashed ellipses were not included in the age calculation, and the bold ellipse is the calculated age. MSWD—mean square of weighted deviates. (A) Sample R.7183.2
Image
Concordia diagrams for analyzed zircon grains from granitoids of the <span class="search-highlight">Lassit</span>...
Published: 22 January 2018
Figure 4. Concordia diagrams for analyzed zircon grains from granitoids of the Lassiter Coast intrusive suite, Antarctic Peninsula. Dashed ellipses were not included in the age calculation, and the bold ellipse is the calculated age. MSWD—mean square of weighted deviates. (A) Sample R.7183.2
Journal Article
Published: 04 August 2015
Journal of the Geological Society (2015) 172 (6): 822–835.
... and Lassiter Coast Intrusive Suite from Vennum & Rowley (1986) , Hathway (2000) and Flowerdew et al . (2005) . ...
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Journal Article
Published: 30 September 2022
Journal of the Geological Society (2023) 180 (1): jgs2022-067.
... of the Antarctic Peninsula ( Fig. 1 ). The rocks were taken from the Lassiter Coast Intrusive Suite in eastern Palmer Land, and from intrusions that are scattered along the west coast of central Palmer Land at the latitude of the Black Coast. Additional plutonic rocks were collected from the west coast of Graham...
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