These units are conformably overlain by fluvial and lacustrine volcaniclastic deposits, tuffs and hyaloclastites. |
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The red siltstone most likely represents deposition in shallow lacustrine and sabkha environments. |
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The sediments include lacustrine freshwater limestones, silts, marls, occasional sands and local lignite. |
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The distinguishing feature of the lowermost sequence is the presence of coal or carbonaceous shale within alluvial and lacustrine strata. |
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These may be of fluviatile, glacial, periglacial, lacustrine, aeolian, or marine origin. |
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Eastwards, the basalt flows become thinner and interfinger with red lacustrine or sabkha siltstones deposited in the deeper parts. |
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The quarry's paleogeography was generally thought to have been in a lacustrine environment with associated meandering streams. |
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Coarse alluvial-fan sediments change abruptly basinward into lacustrine sediments. |
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Late Tertiary and Quaternary glacial, alluvial and lacustrine sediments are widespread adjacent to the mountains and in intermontane basins. |
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These factors combine to make lacustrine sediments amenable to very high-resolution paleoenvironmental and paleoecological reconstruction. |
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All laboratory tests were performed on 19 samples of gyttja and lacustrine chalk taken from the lakelands. |
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Other processes that are, however, important on local scales include aeolian, lacustrine, and pedogenic processes. |
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These wells were drilled into the central parts of the basin, where they intercepted mostly lacustrine facies. |
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The formation is composed of shales, mudstones, sandstones, oil shales and coal beds accumulated in fluvial to lacustrine environments. |
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This is based on lithological variations in lacustrine rocks from eastern China, but there is a large degree of uncertainty with this hypothesis. |
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The roadbed failure was attributable to water infiltration and weakening of the glacial lacustrine silts and clays. |
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It portrays broad genetic categories of surface materials, such as alluvial, lacustrine, marine, and glacial, as well as bedrock. |
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Materials include not only bedrock types but also unconsolidated materials including glacial, lacustrine and alluvial materials. |
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Sedimentological investigations indicate a lacustrine depositional setting proximal to the coast, an interpretation also supported by the pulmonate molluscs and ostracods. |
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Subsequent glaciation has modified the landscape, leaving rolling moraines on the uplands and fine-grained lacustrine deposits in lowland areas. |
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Along the eastern flank, continental sediments associated with lacustrine and fluvial environments can be found. |
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Biscotasi Lake shoreline is composed of pink granitic bedrock outcrops, thick outwash material and lacustrine deposits. |
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The covering of the basin floor during periods of enhanced moisture conditions allows the deposition of lacustrine sediments such as marls and clays. |
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It is underlaid by lacustrine sediments of the glacial Lake Agassiz and is the flattest land in the interior plains. |
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There are several distinct habitats within the Ythan Estuary complex including marsh, littoral, estuarine, lacustrine and dunes areas. |
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The basaltic flows occur on top of continental fluvial and lacustrine sedimentary units of Triassic age. |
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The biggest impact of the poor oxygen levels is to lacustrine life and fisheries industry. |
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In the lacustrine settlement of Zug, remains of a broth made of spelt and millet have been found. |
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The rest of Furness is very rural, with the mountainous, wooded and lacustrine environments. |
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Trends in dominance of glaciofluvial deposits or of till and lacustrine deposits can be recognized. |
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The occurrence of authigenic zeolites suggests deposition in hypersaline lacustrine waters in closed basins. |
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The oxidized and bioturbated material at these locations has lost any resemblance to cohesive laminated lacustrine sediment. |
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The palynology of the upper lacustrine sediments of the Amot Pipe, Banke, Namaqualand. |
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This zone also represents the provincially significant Eagle-Finlayson moraine and associated features such as outwash, lacustrine and ground moraine deposits. |
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These habitats include shallow rain-fed seasonal pools and oligotrophic lacustrine habitats. |
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Trace fossils from Late Pleistocene varved lacustrine sediments in eastern Lithuania. |
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When species which are preadapted to lacustrine conditions are present in reservoir watersheds, these fish colonize the reservoir and occupy all the available area. |
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Con structed as part of a 12.8 kilometre paving contract in 1991, this two-lane facility is predominantly built upon an embankment section comprised of lacustrine, silty clay deposits in level to slightly undulating terrain. |
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Fluvial, lacustrine and deltaic systems Land systems resulting from large-scale river erosion and drainage system development, lakes, wetlands and deltas. |
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The Maritimes Basin includes Late Devonian to Carboniferous fluviatile conglomerate and sandstone sequences, shallow-marine limestone and evaporites, lacustrine oil shales, and subaerial volcanic rocks. |
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Paleo-environmental records based on ice cores, tree rings, lacustrine bottom sediments and coral reefs show that most ecosystems, can tolerate a global variation of two degrees. |
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Her research interests centre around paleo-ecological reconstruction of terrestrial, lacustrine and nearshore marine environments using a multidisciplinary approach. |
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Other basins ranging from Montana to New Mexico accumulated similar but thinner packages of nonmarine fluvial and lacustrine sediments rich in fossil mammals and fish. |
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Although deposits of this kind usually indicate accumulation in arid regions such as inland desert basins, the red beds may also represent sediments of fluvial or lacustrine origin suggestive of seasonal precipitation. |
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Until a major stabilization project was completed in 2000, the cathedral was also famous for the uneven sinking of its heavy foundations into the lacustrine soil. |
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This area was the main clay and silt sedimentation basin during the Champlain Sea and Lake Lampsilis periods when fine marine then lacustrine material covered the Quaternary glacial deposits. |
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To achieve the required grade for the roadbed when the original track was laid, fill from neighbouring cuts was evidently placed on a foundation of glacial lacustrine silts. |
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In addition to the low availability of lacustrine environments, the landlocked salmon population living in the PĂ©ribonka and Manouane basin face several other potentially limiting factors. |
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Recreational water activities would be disturbed on two watercourses and boating would take place in a lacustrine environment rather than in a river. |
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The roadbed had been built on a base of glacial lacustrine silt and peat at the turn of the century, and the water-saturated silt had become unstable as a result of the rapid draw down of water. |
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This apparently reflects a general change from a more lacustrine environment in the lower member to a more fluviatile setting in the upper. |
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Limestones may also form in lacustrine and evaporite depositional environments. |
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The Old Red Sandstone is a magnafacies of red beds and lacustrine deposits from the Late Silurian to the Carboniferous. |
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A small and separate basin exists here where both alluvial and lacustrine deposits are recorded. |
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The north of the county is part of the Humberhead Levels lacustrine plain. |
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The resulting marine or lacustrine deposits form the Karoo's Ecca Group. |
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It spawns in fresh water and populations can be lacustrine, riverine or anadromous, where they return from the ocean to their fresh water birth rivers to spawn. |
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The lack of disturbance allows for the development of lacustrine varves. |
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The lower part of the sequence, mostly Eifelian in age, is dominated by lacustrine beds of the lower and upper Stromness Flagstones that were deposited in Lake Orcadie. |
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These lunettes are relicts of a Late Pleistocene deflationary period, when the lacustrine hydrology changed from perennial water-filled lakes to dessicated mudflats. |
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