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NARROW
GeoRef Subject
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all geography including DSDP/ODP Sites and Legs
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Arctic region
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Greenland (1)
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Atlantic Ocean
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North Atlantic
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Labrador Sea (1)
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Baffin Bay (1)
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Canada
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Arctic Archipelago (1)
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Eastern Canada (1)
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Nunavut
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Ellesmere Island (1)
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Sverdrup Basin (2)
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Sverdrup Islands
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Axel Heiberg Island (3)
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-
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Queen Elizabeth Islands
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Ellesmere Island (1)
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Sverdrup Basin (2)
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Sverdrup Islands
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Axel Heiberg Island (3)
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Davis Strait (1)
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commodities
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metal ores
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cobalt ores (1)
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copper ores (2)
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nickel ores (2)
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platinum ores (1)
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zinc ores (1)
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mineral deposits, genesis (1)
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mineral exploration (1)
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elements, isotopes
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isotope ratios (1)
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isotopes
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stable isotopes
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S-34/S-32 (1)
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metals
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platinum group
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platinum ores (1)
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sulfur
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S-34/S-32 (1)
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geologic age
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Cenozoic
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Tertiary
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Paleogene
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Paleocene
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lower Paleocene
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Danian (1)
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upper Paleocene
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Thanetian (1)
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Mesozoic
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Cretaceous
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Lower Cretaceous
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Isachsen Formation (1)
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Precambrian (1)
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igneous rocks
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igneous rocks
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picrite (1)
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plutonic rocks
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anorthosite (1)
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diorites (1)
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gabbros (1)
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volcanic rocks
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basalts (1)
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meteorites
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meteorites (1)
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minerals
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oxides
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ilmenite (1)
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iron oxides (1)
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titanium oxides (1)
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sulfates
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jarosite (1)
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Primary terms
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Arctic region
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Greenland (1)
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Atlantic Ocean
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North Atlantic
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Labrador Sea (1)
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-
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Canada
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Arctic Archipelago (1)
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Eastern Canada (1)
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Nunavut
-
Ellesmere Island (1)
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Sverdrup Basin (2)
-
Sverdrup Islands
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Axel Heiberg Island (3)
-
-
-
Queen Elizabeth Islands
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Ellesmere Island (1)
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Sverdrup Basin (2)
-
Sverdrup Islands
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Axel Heiberg Island (3)
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-
-
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Cenozoic
-
Tertiary
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Paleogene
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Paleocene
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lower Paleocene
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Danian (1)
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upper Paleocene
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Thanetian (1)
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-
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-
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extraterrestrial geology (1)
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geochemistry (1)
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igneous rocks
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picrite (1)
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plutonic rocks
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anorthosite (1)
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diorites (1)
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gabbros (1)
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volcanic rocks
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basalts (1)
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-
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intrusions (1)
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isotopes
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stable isotopes
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S-34/S-32 (1)
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-
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magmas (1)
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Mesozoic
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Cretaceous
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Lower Cretaceous
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Isachsen Formation (1)
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metal ores
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cobalt ores (1)
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copper ores (2)
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nickel ores (2)
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platinum ores (1)
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zinc ores (1)
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metals
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platinum group
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platinum ores (1)
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-
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metasomatism (1)
-
meteorites (1)
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mineral deposits, genesis (1)
-
mineral exploration (1)
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Moon (1)
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permafrost (1)
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Precambrian (1)
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sedimentary rocks
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carbonate rocks (1)
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chemically precipitated rocks
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evaporites (1)
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clastic rocks
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sandstone (1)
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-
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springs (1)
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sulfur
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S-34/S-32 (1)
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-
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sedimentary rocks
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sedimentary rocks
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carbonate rocks (1)
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chemically precipitated rocks
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evaporites (1)
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clastic rocks
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sandstone (1)
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Depleted and ultradepleted basalt and picrite in the Davis Strait: Paleocene volcanism associated with a transform continental margin
Introduction to the Special issue of the Canadian Journal of Earth Sciences , “Magmatic and metallogenic processes associated with large igneous provinces”
Enigmatic massive sulphide mineralization in the High Arctic Large Igneous Province, Nunavut, Canada
Geochemistry of the 130 to 80 Ma Canadian High Arctic Large Igneous Province (HALIP) Event and Implications for Ni-Cu-PGE Prospectivity
Investigation of three Fe–Ti oxide deposits associated with Grenvillian anorthosite massifs as potential source for lunar analogue ilmenite
Introduction to Special Issue of Canadian Journal of Earth Sciences : Canadian contributions to planetary geoscience
Recent orbital and rover missions to Mars have returned high-resolution images that show complex surface landforms in unprecedented detail. In addition, the spectral data sets from mission instruments reveal the presence of a wide array of mineral species on the surface of Mars. These discoveries are changing the analog science requirements of projects targeting exploration missions to Mars. Mission managers now expect field deployments to include complementary investigations of surface processes, rock types, mineral species, and microbial habitats. Earth-based analog sites are selected according to their potential for integrated geological and biological studies, wherein a central theme is the search for life. Geological field studies on Axel Heiberg Island, in the Canadian Arctic, demonstrate that the Isachsen Formation represents a high-fidelity analog for comparative studies of volcanic terrain on Mars. The two sites of interest are located in structurally complex zones (chaotic terrain) where basaltic lava flows, mafic dikes, and sandstone beds of Early Cretaceous age intersect evaporite outliers at the periphery of the diapirs. At the North Agate Fiord diapir and Junction diapir, remnant blocks of basaltic rock are pervasively altered and contain copper and iron sulfides, as well as the secondary sulfates copiapite, fibroferrite, and jarosite (North Agate Fiord diapir). Alteration zones within poorly consolidated quartzitic sandstone consist of thin layers of goethite, hematite, illite, and jarosite. The sites are morphologically different from Martian patera, but they provide access to volcanic successions and evaporites in areas of permafrost, i.e., conditions that are invoked in conceptual models for hydrothermal systems and groundwater flow on Mars.