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Now showing items 1661-1670 of 1942
USE OF FORAMINIFERA AND THECAMOEBIANS AS RELIABLE INDICATORS OF MARINE/FRESHWATER TRANSITION ZONES IN SOUTHERN FLORIDA
(2001-04-15)
The mangrove environment of Southern Florida is expansive, dominating the much of the southern coastline, including that of the southwestern Everglades. As such, it is a dynamic environment that is constantly readjusting ...
40Ar/39Ar LASER-PROBE STUDY OF K-FELDSPARS FROM THE NEW ROSS AREA OF THE SOUTH MOUNTAIN BATHOLITH, NOVA SCOTIA
(2001-04-15)
The peraluminous South Mountain Batholith (SMB) intruded the metasedimentary rocks of the Meguma Supergroup in the Late Devonian.
Mineralization of metals in pegmatite, greisen, and vein deposits are found with K-feldspar ...
WHITE MICAS IN THE LAKE LEWIS LEUCOGRANITE, NOVA SCOTIA
(2001-04-15)
The South Mountain Batholith, a peraluminous granitic complex, ranges in composition from biotite granodiorite to muscovite-topaz leucogranite. Leucogranitic rocks form minor and late components of the batholith. The Lake ...
LATE CENOZOIC PALEOCEANOGRAPHIC CHANGES IN THE NORTHWEST PACIFIC USING RADIOLARIAN BIOSTRATIGRAPHY OF ODP SITE 1179 AND OTHERS
(2001-04-15)
The radiolarian zonation of ODP Site 1179 was accessed using core-catcher samples. The data indicate that the soft sediments analyzed range from late Miocene to Recent. The radiolaria biostratigraphy of ODP Site 1179 yielded ...
THICKNESS AND FACIES VARIATION OF THE CARBONIFEROUS SYDNEY MINES FORMATION IN THE MORIEN SYNCLINE, CAPE BRETON ISLAND
(2001-04-15)
Thirty-six drill holes from the Morien Syncline, Cape Breton Island have been analyzed to study the thickness and facies variation of the lower Sydney Mines Formation (Westphalian D). Drill holes are of the Cape Breton ...
BEDFORM SEDIMENTOLOGY AND MORPHODYNAMICS OF SABLE ISLAND BANK
(2001-04-15)
A series of shoreface-connected sand ridges occur on Sable Island Bank adjacent to Sable Island, are best developed to its south and southwest and extend as far as 23 km south of the island in water depths up to 45m. In ...
EVIDENCE OF PRECURSOR EVENTS FOR MEGA-THRUST EARTHQUAKES ON THE WEST COAST OF NORTH AMERICA
(2001-04-15)
In May 1964 a 9.2 magnitude (on the Richter scale) earthquake occurred on the coast of Alaska. Since then, research has shown evidence of precursors to the earthquake using both foraminifera and diatoms, thereby detailing ...
SEISMIC VELOCITIES AND REFLECTION SEQUENCES OF WISCONSINAN GLACIAL DEPOSITS IN EMERALD BASIN (SCOTIAN SHELF)
(2001-04-15)
Emerald Basin is a 2430 km2 depression located on the central Scotian Shelf approximately 40 kilometers off the coast of Nova Scotia. Sleeve-gun reflection data collected in 1994 and Ocean Bottom Seismometer data collected ...
40Ar/39Ar Thermochronology and Metamorphism of Amphibole from the Humboldt Bay High Strain Zone, Wabigoon Subprovince, Lake Nipigon, Ontario
(2002-04-15)
The Humboldt Bay High Strain Zone (HBHSZ) is a shear zone in the Onaman-Tashota Belt, a granite-greenstone belt of the Wabigoon Subprovince of the Archean Superior Province. The HBHSZ represents a boundary within the ...
BASEFLOW CONTRIBUTION OF THE UNCONFINED AQUIFER SUPPLYING THE LOWER REACHES OF THE CLYBURN BROOK, CAPE BRETON ISLAND, NOVA SCOTIA
(2002-04-15)
The Clyburn Brook, in the Cape Breton Highlands National Park, is an important source of freshwater. The brook overlies an unconfined aquifer that supplies potable and irrigation water for the Ingonish area. The Clyburn ...