(n.) The science which treats: (a) Of the structure and mineral constitution of the globe; structural geology. (b) Of its history as regards rocks, minerals, rivers, valleys, mountains, climates, life, etc.; historical geology. (c) Of the causes and methods by which its structure, features, changes, and conditions have been produced; dynamical geology. See Chart of The Geological Series.
(n.) A treatise on the science.
Example Sentences:
(1) Photograph: Alamy The Devils Postpile, near Mammoth Lakes on the east side of Yosemite, looks as if it might have been created by some satanic sculptor, but really it's just one of the world's best examples of columnar basalt, a similar geological feature to the Giants Causeway in Northern Ireland.
(2) The US Geological Survey estimated the waters in the Arctic contain about 90bn barrels of recoverable oil.
(3) The US Geological Survey said it was the biggest earthquake to hit Japan since officials began keeping records in the late 1800s and one of the biggest recorded in the world.
(4) "Autumn colours are very patchy and depend on regional variation in climate and differences in geology.
(5) A tentative analysis of the data with regard to the geological situation is presented.
(6) In December the US Geological Survey also warned that sea-level rise could be even worse than feared, as much as 1.5 metres by the end of this century, partly due to increased melting of the volume of water stored in glaciers in Antarctica and Greenland.
(7) The possible association between the geological nature of the soil, as related to radioactivity, and lung cancer occurrence has been explored in an Italian province.
(8) The authors relate the tentative measurement data on radon-222 concentrations in different buildings situated in the Ukrainian bedrock geological region.
(9) Europe is geologically resource poor [so] there is a lot of scope to try to move towards an economic development [model] that would be decoupled from the consumption of resources and move more towards the reuse of the resources we already have”, he says.
(10) A total of 435 United States Geological Survey and United States Forest Service workers in Alaska were studied for serologic evidence of past infections with four arboviruses known or suspected to be human pathogens.
(11) This is a big deal.” geology graphic He said that the scale and rate of change on measures such as CO2 and methane concentrations in the atmosphere were much larger and faster than the changes that defined the start of the holocene.
(12) The determination of platinum in geological samples by this method has been compared with an inductively coupled plasma mass spectrometric method.
(13) There are 4,000 SSSIs, described by government officials as the “best of our wildlife, geological and physiographical heritage” in England.
(14) ID7720613 Restaurante da Praia, Praia da Arrifana, Algarve Stewed octopus with sweet potato is the speciality at this restaurant, which sits alone at the bottom of the steep access road that winds down to one of Portugal’s most beautiful and geologically interesting beaches.
(15) The northerly region has become a new frontier for exploration since global warming caused ice to melt, oil escalated in value to its current $114 a barrel and the US Geological Survey concluded that almost a quarter of the world's undiscovered oil and gas reserves may lie in the Arctic.
(16) The National Geological Survey recorded a seismic event of 2.1 magnitude.
(17) When I ask him how his background in geology is being used here, he tells me of his fieldwork at the Grand Canyon.
(18) Prof Hugh Sinclair, a specialist in surface geology and one of 59 Productions’ advisers, said he felt frustrated that there was no statue to Hutton anywhere in Edinburgh, despite the huge significance of his work.
(19) These revisions suggest sea-level rises could easily top a metre by 2100 - a figure that is backed by the US Geological Survey, which this year warned that they could reach as much as 1.5 metres.
(20) Many of the contemporary correlations between geological factors and human behavior are also apparent within historical data.
Ledge
Definition:
(n.) A shelf on which articles may be laid; also, that which resembles such a shelf in form or use, as a projecting ridge or part, or a molding or edge in joinery.
(n.) A shelf, ridge, or reef, of rocks.
(n.) A layer or stratum.
(n.) A lode; a limited mass of rock bearing valuable mineral.
(n.) A piece of timber to support the deck, placed athwartship between beams.
Example Sentences:
(1) This bony strut reduces inferomedial displacement of the muscle cone and provides a medial supporting "ledge" in cases requiring late orbital reconstruction.
(2) The continuous ledge will be covered with a cast continuous bar, intended to restore the lingual crown morphology.
(3) The number of two-year sojourns in a hospital and other data are reported on the basis of an evaluation of the signature ledges of the clinical histories in the district Dresden.
(4) In April 2001, he secured the con- viction of Klan member Thomas Blanton for driving the men to the church in the middle of the night to lay a dozen sticks of dynamite on the window ledge.
(5) The ledges of some pleats partly grow toward each other as ring like diaphragms, leaving openings whose boundary is composed of alveolar epithelium separated by a basal lamina from a connective tissue sheath with capillaries.
(6) All the determinants for ledging were not identified with this study, and further research is indicated.
(7) In the outer and middle layers of the spiny deposits, the Ca, P, and Mg concentrations were all significantly higher than those of the ledge-type deposits.
(8) Calculus components of the ledge-type deposits contained crystal types quite similar to sandy grain-shaped hydroxyapatite (HAP), plate-shaped octacalcium phosphate (OCP), and hexahedral Mg-containing whitlockite (WHT).
(9) Geologists sort the waterfalls into two types: wedding-cake falls, which descend in multiple tiers, and bridal-veil falls, that plunge over a ledge into a pool.
(10) Ridge POAMES occurred most frequently, followed by combined, ledge and the nodular exostose types.
(11) The edges of the breaks appear clinically as glassy ridges or ledges and are also called Haab's lines.
(12) 15 had a significantly higher incidence of ledging.
(13) Hypoplasia of the labial enamel of 15 out of 19 teeth from sheep killed after recovery from the infection was classified according to the extent and depth as pits, grooves or larger areas of missing enamel with ledge-formation cervically.
(14) Immature spores in the strain studied had a ledge which disappeared during maturation.
(15) Shaping effectiveness of the tested files was qualitatively evaluated in terms of respect for conservation of the apical constriction and the presence or absence of ledging, specially in the apical third of the root canals.
(16) By following the continental ledge in search of sardines, sardinella, and mackerel, it hopes to catch 3,000 tonnes of fish in a four- to six-week voyage before it offloads them, possibly in Las Palmas in the Canary Islands.
(17) This preliminary study suggests that such a wheelchair feature might improve the safety of wheelchairs in conditions involving inadvertent loss of caster support, as when they drop off a stair or ledge.
(18) A complicated system of low lying slanting, diagonal mucosal ledges forms between the tall longitudinal folds.
(19) Ten of the 107 had small enamel fractures, primarily occurring on cingulum ledges.
(20) Each of the nine objects was placed on a ledge inside a dummy television screen next to the video screen, the food items alternating with the neutral objects, and 20 female patients with anorexia nervosa and 20 female controls matched for age were asked to adjust the size of the video recording to that of the real object.