How to use Quaternary in a sentence

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Sentence Examples Together, the Pleistocene and Holocene make up the Quaternary period, marked by waxing and waning of polar glaciers. Late Tertiary and Quaternary glacial, alluvial and lacustrine sediments are widespread adjacent to the mountains and in intermontane basins. Evidence for the young age of uplift and faulting includes juvenile topography, faulted Quaternary marine terraces and a fractured falaj. An alternative view on uplift and climate change proposes that the Quaternary glaciations in the Himalayas could have enhanced uplift. The interior of the basin is underlain by the Quaternary floodplain deposits and terraces associated with the Mae Ping River. Hence, fundamental differences in the available datasets hinder an in-depth comparison of mid-Cretaceous with Pliocene to Quaternary black shale successions. Preservation of these large-scale coastal landforms is primarily due to gentle epeirogenic uplift in response to Quaternary volcanism. Historically, the Cenozoic has been divided up into the Quaternary and Tertiary sub-eras, as well as the Neogene and Paleogene periods. Most of the sedimentary fill of the Chiang Mai basin lies beneath a blanket of Quaternary floodplain deposits. Of particular interest are the Quaternary fluvial and marine terraces that are preserved along the flanks of the Hajar Mountains. Miocene-Pliocene volcanic rocks have a calc-alkaline character which gives way to a predominantly alkaline character in late Pliocene to Quaternary times. In fact, the whole idea of paleosols was first developed by geomorphologists and soil scientists to explore soils in the Quaternary. The main sources of gravel are unconsolidated superficial or drift deposits of Quaternary age. The Quaternary Period, according to evolutionists, has lasted the last two million years up to the present day. The basic form and slope of the valley were shaped by the gradual erosion of Mesozoic bedrock during the Tertiary and Quaternary Periods. Quaternary ammonium compounds are mainly bacteriostatic and fungistatic, although they are microbicidal against certain organisms at high concentrations. Presentations will focus on, but are not limited to, paleoceanography and paleoclimatology of the Quaternary, prior to the instrumental record. Geologists and oceanologists connect this phenomenon with thawing a glacier of the Europe in the Quaternary period. Quaternary ammonium-based fungicide, algicide disinfectant. Quaternary ammonium compounds are losing favor to accelerated hydrogen peroxide products for disinfection. Show More Sentences In contrast, the west side of the basin is marked by a relatively linear contact between uplifted Neogene sedimentary rocks and Quaternary alluvium. Recent testimony in the past, traces the presence of degrees of Quaternary animals like deer and hippopotamus. Polymetallic nodules are preferentially associated with radiolarian silt belonging in part to the recent Quaternary. In addition, the paleo-biome reconstructions presented herein represents a landmark contribution to Canadian Quaternary environmental history. Quaternary sedimentary fill testifies to recent subsidence of the basin. Atoll das Rocas is a good example of an atoll constructed primarily by coralline algae in the Quaternary period. The site represents the first record of coralline algae as primary reef builders during the Quaternary period. The Quaternary Period can be subdivided into two epochs: the Pleistocene and the Holocene. A specific scientific problem of the Quaternary is the change that appears in the Carbon Cycle during glacial-interglacial oscillations. Lothagam is a more restricted area and its strata are older-late Miocene to early Pliocene, overlain unconformably by Quaternary sands, gravels, and coquinas. However, the topography of the hills in the area indicates that before Quaternary erosion a blanket of easily eroded rocks covered most of the peninsula. From the physical sciences, Quaternary geology developed as a discipline that was initially almost entirely divorced from considerations of human behavior. During the Quaternary glaciations, Brittany was covered by loess and rivers started to fill the valleys with alluvial deposits. This study is often known as Quaternary geology, after the Quaternary period of geologic history. A global trend toward more delicate diatom frustules has been noted from the Oligocene to the Quaternary. The gross geography of Scania reflect more the preglacial development than the erosion and deposits caused by the Quaternary glaciers. The Quaternary glaciation was the first ice age to be demonstrated in geology, and proved that these were possible. The Quaternary glaciation is the last of five known glaciations during Earth's history. Sand dunes were much more widespread and active in many areas during the early Quaternary period. Such evidence suggests major periods of glaciation prior to the current Quaternary glaciation. Show More Sentences The Baltic Shield is still rebounding today following the melting of the thick glaciers during the Quaternary period. The Quaternary Period follows the Neogene Period and extends to the present. The Quaternary subdivisions were defined based on biostratigraphy instead of paleoclimate. The Quaternary geological record is preserved in greater detail than that for earlier periods. During the Quaternary Period, mammals, flowering plants, and insects dominated the land. This massive flood scoured the former river systems to form the Hurd Deep in late Quaternary times. In some cases, such lakes gradually evaporated during the warming period after the Quaternary ice age. During the late Quaternary, ancient Lake Atna in the Copper River Basin may have generated a number of glacial outburst floods. Unlike most of these species, the brown bear was able to survive the Quaternary extinction event that concluded the ice age. The Tikiguania remains may instead be late Tertiary or Quaternary in age, having been washed into much older Triassic sediments. The river is connected to the geological period called the Quaternary, in which distinct cooling of the climate took place. The number of people working in the Tertiary and Quaternary sectors of the economy has increased significantly. Disinfection of Water with Quaternary Ammonium Salts Insolubilized on a Porous Glass Surface. The Quaternary glaciation created more lakes than all other geologic processes combined. The area was affected by sea level changes during the repeated Quaternary glaciations. Aigüestortes also provides magnificent evidence of the action of Quaternary Age firn snow on the granite and slate that forms the park's substrate. Quaternary ammonium-based fungicide germicide detergent. Along the Iglesia valley, the lithology is represented by Paleogene, Neogene and Quaternary deposits. Quaternary ammonium compounds like benzalkonium chloride, found in antibacterial spray cleaners and fabric softeners, can cause asthma. In Atlantic Canada, the relative sea-level history for northwestern Newfoundland is documented in the paper Late Quaternary Relative Sea-Level Change on the West Coast of Newfoundland. Show More Sentences Ironstone pods in the Archean Barberton greenstone belt, South Africa Earth's oldest seafloor hydrothermal vents reinterpreted as Quaternary subaerial springs. In the November 2014 Quaternary International, he calls for discarding the influential Mousterian stone tool industry. Evolution of rattlesnakes in the warm deserts of western North America shaped by Neogene vicariance and Quaternary climate change. Quaternary period terraces, sandy-gravelly soil on a clay subsoil. Originally covered by glaciers during the Quaternary Era, leaving behind gravelly morainic sand, the area was then flooded by the Champlain Sea, which, as it receded, left behind a layer of fine deltaic sand. He was trained as a Quaternary geologist, geochemist and glaciologist. Rock types are garnet mica schist, mica schist and phyllitic mica schist with quartzite, greenschist and marble with a partial superficial cover of Quaternary sediments. During the Neogene and Quaternary the Yakutat Terrane was carried northward by the Pacific Plate and was partially subducted beneath southern Alaska. The Quaternary glaciogenic sediments are composed of, among other things, various weathered Precambrian granitoids from Norway and Sweden. Other research focuses on the temporal and tectonic evolution of Quaternary magmatism in the Canadian Cordillera and bridging 14C-based and paleomagnetic age determinations with laser 40Ar-39Ar age dating. It is perhaps too easy to be distracted by the floristic distinctiveness of Quaternary 'no-analogue' assemblages and to forget that they usually represent species drawn from within a broad vegetation biome that exists today. 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. Together the Quaternary and the Tertiary periods form the Cenozoic Era. The Quaternary forms part of the 65m-year Cenozoic era, distinguished by the opening of the North Atlantic, the rise of the Himalayas, and the widespread presence of mammals and flowering plants. Geology deals with the now: the 10,000-year-old Holocene epoch, a peculiarly stable and clement part of the Quaternary period, a time distinguished by regular shifts into and out of ice ages. The present distribution of nodules would thus be the consequence of the dynamics of deep ocean currents due to climatic variations in the Quaternary. The site geology consists of a layer of unconsolidated material comprised of Quaternary till and recent non-native material, overlying Paleozoic bedrock limestone of the Ottawa and Eastview formations. The Pliocene consists of interbeded red brown clay, Paleonile, which acts as an aquiclude for the overlying Quaternary aquifers. Of the six extinct species, five went extinct in the Quaternary extinction event. The islands have been shaped by numerous glaciations during the Quaternary Period, the most recent being the Devensian. Show More Sentences The Quaternary undersea valley Fosse Dangaered, and Castle Hill landslip at the English portal, caused concerns. The surrounding lower ground is formed from Carboniferous Limestone though much of it is obscured by superficial deposist of Quaternary age. For example, Quaternary paleolakes in semidesert basins are important for two reasons. The Pleistocene is the first epoch of the Quaternary Period or sixth epoch of the Cenozoic Era. The disadvantages of iodine compounds are that they are inactivated by Quaternary Ammonium compounds, which could pose a problem when iodine and Quats are used in rotation. Lacustrine ostracodes from the Chihuahuan Desert of Mexico and inferred Late Quaternary paleoecological conditions. Re-analysis of faunal assemblages from Haua Fteah and other Late Quaternary archaeological sites in Cyrenaican Libya. Late Quaternary forest-steppe contact zone, Isla Grande de Tierra del Fuego, subantarctic South America. Major isostatic adjustments of the lithosphere during the Quaternary glaciation were caused by the weight of the ice, which depressed the continents. As an example, palynological studies have been used to track changing vegetation patterns throughout the Quaternary glaciations and especially since the last glacial maximum. The most widespread zonal vegetation is that of the microphyllous desert, a desertscrub that flourishes on regosols and on Quaternary coarse alluvial plains and lower bajadas. The Quaternary alluvial deposits cover the study area, which includes lagoonal deposits, recent delta deposits, red clays, gravel and sandy materials. Aluto Volcano is an active, peralkaline rhyolitic complex of Quaternary age, which is characterized by numerous rhyolitic domes forming a 6x9 km large caldera ring structure. Currently, eagles only occur in the Hawaiian Islands as vagrants, but Quaternary bones of Haliaeetus have been found on three of the major islands. The use of the Nebraskan, Afton, Kansan, and Yarmouthian stages to subdivide the ice age in North America has been discontinued by Quaternary geologists and geomorphologists. And in the south it is predominantly Silurian and Quaternary. The south, meanwhile, is a low flat rocky plain, composed by Pliocene through Quaternary limestone and oolites covered by dense forests and bushes. Quaternary isoquinoline alkaloids sanguinarine and chelerythrine. Quaternary ammonium tetraphenylborates and quaternary ammonium tetrafluoroborates were synthesized for the manufacture of leaching-resistant boron wood preservatives. Quaternary ammonium and tertiary sulfonium compounds in higher plants. Show More Sentences The methodology of pollen analysis became widespread throughout Europe and North America and revolutionized Quaternary vegetation and climate change research. Quaternary stratigraphers usually worked with regional subdivisions. Examples from Classical Literature This issue of the Estonian Journal of Earth Sciences includes selected papers focusing on different aspects of Quaternary geology in the Baltic region. They are referred to the dawn of the Quaternary or Pleistocene period. A massive woolly rhinoceros skeleton dates to the Pleistocene Epoch of the Quaternary Period. The hole intersected Quaternary lavas and clastic sediments from collar to hole end at 284 metres. The Quaternary is characterised by alluvium and an alluvium cone consisting of detrical material that comes from north and south with the flood waters. Find more words! 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