Atmospheric phenomena appearing in the Mariner 9 television pictures are discussed in detail. The surface of the planet was heavily obscured by a global dust storm during the first month in orbit. Brightness data during this period can be fitted by a semi-infinite scattering and absorbing atmosphere model with a single-scattering albedo in the range 0.70–0.85. This low value suggests that the mean radius of the particles responsible for the obscuration was at least 10 μm. By the end of the second month, this dust storm had largely dissipated, leaving a residual optical depth ∼0.1. Much of the region north of 45°N was covered by variable clouds comprising the north polar hood. The cloud structures revealed extensive systems of lee waves generated by west-to-east flow over irregular terrain. Extensive cloud systems in this region resembled baroclinic wave cyclones. Clouds were also observed over several of the large calderas; these clouds are believed to contain water ice. Several localized dust storms were seen after the global dust storm cleared. These dust clouds appeared to be intensely convective. The convective nature of these storms and the stirring of large dust particles to great heights can be explained by vertical velocities generated by the absorption of solar radiation by the dusty atmosphere.
Monomineralic aggregates of olivine, clinopyroxene, orthopyroxene and plagioclase with granoblastic textures are widespread minor constituents of Apollo 14 breccias. Recrystallization is commonly incomplete within these aggregates, leaving relict material that clearly indicates single-mineral-grain sources for the aggregates. The aggregates are not, therefore, properly characterized by igneous rock names, nor can any conclusions regarding differentiation be drawn from them. Average sizes of the aggregates indicate source rocks with grain sizes mostly larger than 1 to 5 mm, a few clasts of which occur in the breccias; the proportions of the different types of aggregates suggest dominantly feldspathic source rocks.
","language":"English","publisher":"Elsevier","doi":"10.1016/0012-821X(72)90158-6","issn":"0012821X","usgsCitation":"Wilshire, H.G., and Jackson, E., 1972, Lunar \"dunite\", \"pyroxenite\" and \"anorthosite\": Earth and Planetary Science Letters, v. 16, no. 3, p. 396-400, https://doi.org/10.1016/0012-821X(72)90158-6.","productDescription":"5 p. ","startPage":"396","endPage":"400","numberOfPages":"5","costCenters":[],"links":[{"id":219116,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"volume":"16","issue":"3","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"505a4a88e4b0c8380cd68e3e","contributors":{"authors":[{"text":"Wilshire, H. G.","contributorId":36125,"corporation":false,"usgs":false,"family":"Wilshire","given":"H.","middleInitial":"G.","affiliations":[],"preferred":false,"id":357496,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Jackson, E.D.","contributorId":99524,"corporation":false,"usgs":true,"family":"Jackson","given":"E.D.","email":"","affiliations":[],"preferred":false,"id":357497,"contributorType":{"id":1,"text":"Authors"},"rank":2}]}} ,{"id":70010263,"text":"70010263 - 1972 - Atomic displacements in ferroelectric trigonal and orthorhombic boracite structures","interactions":[],"lastModifiedDate":"2020-12-23T00:36:06.611431","indexId":"70010263","displayToPublicDate":"1972-01-01T00:00:00","publicationYear":"1972","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":3425,"text":"Solid State Communications","active":true,"publicationSubtype":{"id":10}},"title":"Atomic displacements in ferroelectric trigonal and orthorhombic boracite structures","docAbstract":"New crystal-structure refinements of Pca21 boracite, Mg3ClB7O13, and Rϵc ericaite, Fe2.4Mg0.6ClB7O13, show that some boron and oxygen atoms are involved in the ‘ferro’ transitions as well as the metal and halogen atoms. The atomic displacements associated with the polarity changes are as large as 0.6Å.
The general objectives of the Imaging Experiment on the Viking Orbiter are to aid the selection of Viking Lander sites, to map and monitor the chosen sites during lander operations, to aid in the selection of future landing sites, and to extend our knowledge of the planet. The imaging system consists of two identical vidicon cameras each attached to a 1026 mm T/8 telescope giving approximately 1° square field of view. From an altitude of 1500 km the picture elements will be approximately 24m apart. The vidicon is coupled with an image intensifier which provides increased sensitivity and permits electronic shuttering and image motion compensation. A vidicon readout time of 2.24 sec enables pictures to be taken in rapid sequence for contiguous coverage at high resolution. The camera differs from those previously flown to Mars by providing contiguous coverage at high resolution on a single orbital pass, by having sufficient sensitivity to use narrow band color filters at maximum resolution, and by having response in the ultraviolet. These capabilities will be utelized to supplement lander observations and to extend our knowledge particularly of volcanic, erosional, and atmospheric phenomena on Mars.
An experiment centering around a mass spectrometer is described, which is aimed at the identification of organic substances present in the top 10 cm of the surface of Mars and an analysis of the atmosphere for major and minor constituents as well as isotopic abundances. In addition, an indication of the abundance of water in the surface and some information concerning the mineralogy can be obtained by monitoring the gases produced upon heating the soil sample.
The organic material will simply be expelled by heating to 150°, 300°, and 500° into the carrier gas stream of a gas chromatograph interfaced to the mass spectrometer or by slowly heating the sample in direct communication with the spectrometer. It is planned to analyze a total of up to nine soil samples in order to study diurnal and seasonal variations. The system is designed to give useful data even for minor constituents if the total of organics should be as low as 5ppm. The spectrometer covers the mass range of 12–200 with adequate resolution.
The results of these experiments, which are deliberately designed to cover a wide spectrum of possibilities independent of terrestrial models, are expected to produce a good picture of the planet's organic chemistry and its possible biological significance as well as allow conclusions regarding the history of the planet's atmosphere.
","language":"English","publisher":"Elsevier","doi":"10.1016/0019-1035(72)90140-6","issn":"00191035","usgsCitation":"Anderson, D.M., Biemann, K., Orgel, L.E., Oro, J., Owen, T., Shulman, G.P., Toulmin, P., and Urey, H.C., 1972, Mass spectrometric analysis of organic compounds, water and volatile constituents in the atmosphere and surface of Mars: The Viking Mars Lander: Icarus, v. 16, no. 1, p. 111-138, https://doi.org/10.1016/0019-1035(72)90140-6.","startPage":"111","endPage":"138","numberOfPages":"28","costCenters":[],"links":[{"id":219288,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"volume":"16","issue":"1","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"505a5255e4b0c8380cd6c328","contributors":{"authors":[{"text":"Anderson, Duwayne M.","contributorId":191734,"corporation":false,"usgs":false,"family":"Anderson","given":"Duwayne","email":"","middleInitial":"M.","affiliations":[{"id":33087,"text":"Cold Regions Research and Engineering Laboratory","active":true,"usgs":false}],"preferred":false,"id":358109,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Biemann, K.","contributorId":76065,"corporation":false,"usgs":true,"family":"Biemann","given":"K.","email":"","affiliations":[],"preferred":false,"id":358112,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Orgel, Leslie E.","contributorId":50652,"corporation":false,"usgs":false,"family":"Orgel","given":"Leslie","email":"","middleInitial":"E.","affiliations":[{"id":33348,"text":"Salk Institute for Biological Studies, San Diego, CA","active":true,"usgs":false}],"preferred":false,"id":358111,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Oro, John","contributorId":21683,"corporation":false,"usgs":false,"family":"Oro","given":"John","email":"","affiliations":[{"id":33349,"text":"Department of Biophysical Science, University of Houston","active":true,"usgs":false}],"preferred":false,"id":358108,"contributorType":{"id":1,"text":"Authors"},"rank":4},{"text":"Owen, Tobias","contributorId":103788,"corporation":false,"usgs":false,"family":"Owen","given":"Tobias","affiliations":[],"preferred":false,"id":358114,"contributorType":{"id":1,"text":"Authors"},"rank":5},{"text":"Shulman, Garson P.","contributorId":16155,"corporation":false,"usgs":false,"family":"Shulman","given":"Garson","email":"","middleInitial":"P.","affiliations":[{"id":7023,"text":"Jet Propulsion Laboratory, California Institute of Technology","active":true,"usgs":false}],"preferred":false,"id":358107,"contributorType":{"id":1,"text":"Authors"},"rank":6},{"text":"Toulmin, Priestley III","contributorId":8522,"corporation":false,"usgs":false,"family":"Toulmin","given":"Priestley","suffix":"III","email":"","affiliations":[{"id":12805,"text":"Univ. of California at San Diego","active":true,"usgs":false}],"preferred":false,"id":358113,"contributorType":{"id":1,"text":"Authors"},"rank":7},{"text":"Urey, H. C.","contributorId":44284,"corporation":false,"usgs":true,"family":"Urey","given":"H.","email":"","middleInitial":"C.","affiliations":[],"preferred":false,"id":358110,"contributorType":{"id":1,"text":"Authors"},"rank":8}]}} ,{"id":70010145,"text":"70010145 - 1972 - Silicate melt inclusions and glasses in lunar soil fragments from the Luna 16 core sample","interactions":[],"lastModifiedDate":"2020-12-23T01:03:18.549469","indexId":"70010145","displayToPublicDate":"1972-01-01T00:00:00","publicationYear":"1972","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":1427,"text":"Earth and Planetary Science Letters","active":true,"publicationSubtype":{"id":10}},"title":"Silicate melt inclusions and glasses in lunar soil fragments from the Luna 16 core sample","docAbstract":"More than 2000 fragments were studied microscopically, and electron microprobe analyses were made of 39 selected areas, from a few square mm of polished surface, through 75- to 425-μm fragments of lunar soil from two samples of the Luna 16 core. The silicate melt inclusions and glasses differ in important details from those observed earlier in the Apollo samples. Melt inclusions in olivine contain epitaxially oriented daughter crystals, but also show a similar epitaxy around the outside of the crystals not observed in previous lunar samples. Melt inclusions in ilmenite suggest trapping at successive stages in a differentiation sequence. There is abundant evidence for late-stage silicate liquid immiscibility, with melt compositions similar but not identical to those from Apollo 11 and 12. A comparison of the alkali ratio of any given bulk rock analysis with that of its late-stage, high-silica melt shows gross differences for different rocks. This is pertinent to understanding late-stage differentiation processes. Glass fragments and spherules exhibit a wide range of crystallization textures, reflecting their wide range of compositions and cooling histories. No significant differences were found between the two portions of core examined (Zones A and D).
As in his earlier article to which reference is made, the author stresses the need for more background information and a much greater research effort before problems of environmental protection from oil developments in northern Alaska can be effectively tackled. Meanwhile, there are indications that the earlier estimates of around ten thousand million barrels should be raised—perhaps to about five times as much. There has moreover been a great increate also in the known and probable gas reserves in northern Canada—particularly in the Arctic Archipelago. In spite of planned automation, people will be needed for development—including Eskimos and Indians, whose interests will be widely protected under the Alaska Native Claims Settlement Act of December 1971. The International Biological Programme ‘Tundra Biome’ projects have accumulated much new information, including the results to be expected from disturbing the tundra seriously, and means of preventing or repairing damage to it. There is much interest in Alaska and Canada in protection of the northern environment, and in the former the US National Environmental Policy Act is already leading to stricter control of some developments.
The linear combination technique, when applied to a gamma-ray spectrum, gives a single number indicative of the extent to which the spectral lines of a sought element are present in a complex spectrum. Spectra are taken of the sought element and of various other substances whose spectra interfere with that of the sought element. A weighting function is then computed for application to spectra of unknown materials. The technique was used to determine calcium by radiative-neutron-capture gamma-ray analysis in the presence of interfering elements, notably titanium, and the results were compared with those for two popular methods of peak area integration. Although linearity of response was similar for the methods, the linear combination technique was much better at rejecting interferences. For analyses involving mixtures of unknown composition the technique consequently offers improved sensitivity.
Three trifluorobenzenes were prepared by reaction of the corresponding trichlorobenzenes with potassium fluoride or pottassium fluoride-cesium fluoride mixtures in dimethyl sulfone. Molar yields were 12.8% for 1,2,3-, 8.3% for 1,2,4-, and 56.2% for 1,3,5-. Improved yields of the 1,2,3- (23.9%) and the 1,2,4- (34.0%) trifluorobenzenes were obtained from certain partially fluorinated intermediates. Several chlorofluorobenzene intermediates were obtained in goods yields by careful control of the reaction variables. The instability of the polyfluorobenzenes in the halogen-exchange reaction medium explains, in part, why only limited yields of the polyfluorobenzenes are obtained by using this method.
A seismic reflection and gravity profile across the continental margin of the Yucatan Peninsula, Yucatan Basin, Cayman Ridge, and Cayman Trough suggests that sediments in the Yucatan Basin consist of a thick succession of beds dominated by turbidites that overlie a thick but irregular sequence of beds, probably dominated by pelagic deposits. The so-called “Carib beds”, present elsewhere in the Caribbean, are not evident in the part of the basin crossed by this profile. The sedimentary section rests on a acoustic basement that probably represents the top of oceanic layer 2. A gravity model indicates that the crust beneath the Yucatan Basin is thin and therefore probably is oceanic in character. The crust thickens southward under the Cayman Ridge but thins again beneath the Cayman Trough. This local thickening is consistent with the suggestion that the Cayman Ridge is a rifted part of the Nicaraguan Rise.
","language":"English","publisher":"Elsevier","doi":"10.1016/0012-821X(72)90273-7","issn":"0012821X","usgsCitation":"Dillon, W.P., Vedder, J.G., and Graf, R., 1972, Structural profile of the northwestern Caribbean: Earth and Planetary Science Letters, v. 17, no. 1, p. 175-180, https://doi.org/10.1016/0012-821X(72)90273-7.","productDescription":"6 p.","startPage":"175","endPage":"180","costCenters":[],"links":[{"id":218930,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"volume":"17","issue":"1","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"505b9c00e4b08c986b31d206","contributors":{"authors":[{"text":"Dillon, William P. bdillon@usgs.gov","contributorId":79820,"corporation":false,"usgs":true,"family":"Dillon","given":"William","email":"bdillon@usgs.gov","middleInitial":"P.","affiliations":[{"id":678,"text":"Woods Hole Coastal and Marine Science Center","active":true,"usgs":true}],"preferred":false,"id":358024,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Vedder, J. G.","contributorId":97873,"corporation":false,"usgs":true,"family":"Vedder","given":"J.","middleInitial":"G.","affiliations":[],"preferred":false,"id":358026,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Graf, R.J.","contributorId":91234,"corporation":false,"usgs":true,"family":"Graf","given":"R.J.","email":"","affiliations":[],"preferred":false,"id":358025,"contributorType":{"id":1,"text":"Authors"},"rank":3}]}} ,{"id":1000350,"text":"1000350 - 1972 - The future of salmonid communities in the Laurentian Great Lakes","interactions":[],"lastModifiedDate":"2016-03-14T13:25:25","indexId":"1000350","displayToPublicDate":"1972-01-01T00:00:00","publicationYear":"1972","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":2543,"text":"Journal of the Fisheries Research Board of Canada","active":true,"publicationSubtype":{"id":10}},"title":"The future of salmonid communities in the Laurentian Great Lakes","docAbstract":"The effects of human population growth, industrialization, and the introduction of marine fishes have reduced the suitability of each of the Great Lakes for oligotrophic fish communities. The ultimate consequence has been a reduction of fishery productivity that has ranged from extreme in Lake Ontario to moderate in Lake Superior. If measures are not taken to alleviate the adverse effects of marine invaders and trends in environmental quality, a major reduction in fishery productivity can eventually be expected throughout the Great Lakes.Prospects for the next century will be improved if the lakes can be intensively managed. More stringent control of the sea lamprey (Petromyzon marinus), and subsequent reduction of the alewife (Alosa pseudoharengus), by the reestablishment of populations of large piscivores, should permit the recovery of some of the previous predator and prey species, or the development of populations of new species that are more compatible with a reduced number of lampreys. Even if marine species can be reduced greatly, the full restoration of the former fishery productivity remains uncertain and will require a high degree of coordination among all management and research agencies that have responsibilities on the Great Lakes.Unfavorable trends toward progressive degradation of water quality pose the greatest threat to restoration of the fishery resources of the Great Lakes. Where changes in water quality have been the greatest, oligotrophic species have become scarce or absent, and in the deepwater regions no other species have reoccupied the vacated niches.
","language":"English","publisher":"NRC Research Press","doi":"10.1139/f72-138","usgsCitation":"Smith, S.H., 1972, The future of salmonid communities in the Laurentian Great Lakes: Journal of the Fisheries Research Board of Canada, v. 29, no. 6, p. 951-957, https://doi.org/10.1139/f72-138.","productDescription":"7 p.","startPage":"951","endPage":"957","onlineOnly":"N","additionalOnlineFiles":"N","costCenters":[{"id":324,"text":"Great Lakes Science Center","active":true,"usgs":true}],"links":[{"id":133478,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"volume":"29","issue":"6","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"4f4e4a9ae4b07f02db65da4c","contributors":{"authors":[{"text":"Smith, Stanford H.","contributorId":86711,"corporation":false,"usgs":true,"family":"Smith","given":"Stanford","email":"","middleInitial":"H.","affiliations":[],"preferred":false,"id":308437,"contributorType":{"id":1,"text":"Authors"},"rank":1}]}} ,{"id":1000322,"text":"1000322 - 1972 - Effects of dressing and cooking on DDT concentrations in certain fish from Lake Michigan","interactions":[],"lastModifiedDate":"2016-03-14T13:28:09","indexId":"1000322","displayToPublicDate":"1972-01-01T00:00:00","publicationYear":"1972","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":2543,"text":"Journal of the Fisheries Research Board of Canada","active":true,"publicationSubtype":{"id":10}},"title":"Effects of dressing and cooking on DDT concentrations in certain fish from Lake Michigan","docAbstract":"Concentrations of DDT residues were highest in parts of the body with the highest oil content in four species of fish from Lake Michigan: yellow perch (Perca flavescens), bloater (Coregonus hoyi), lake trout (Salvelinus namaycush), and coho salmon (Oncorhynchus kisutch). Dressing reduced the DDT residues and oil content by more than 90% in yellow perch but had little effect in the other three species. The concentration of DDT residues in bloaters was changed little by smoking but was reduced 64–72% by other methods of cooking: from 8.0 ppm (raw) to 2.2 ppm after frying in corn oil; from 10.7 to 3.9 ppm after frying in lard; and from 9.1 to 3.2 ppm after broiling. The concentration of DDT residues in fillets of yellow perch changed only from 0.3 ppm (raw) to 0.4 or 0.5 ppm after baking, frying, or broiling.
","language":"English","publisher":"NRC Research Press","doi":"10.1139/f72-088","usgsCitation":"Reinert, R.E., Stewart, D., and Seagran, H.L., 1972, Effects of dressing and cooking on DDT concentrations in certain fish from Lake Michigan: Journal of the Fisheries Research Board of Canada, v. 29, no. 5, p. 525-529, https://doi.org/10.1139/f72-088.","productDescription":"5 p.","startPage":"525","endPage":"529","onlineOnly":"N","additionalOnlineFiles":"N","costCenters":[{"id":324,"text":"Great Lakes Science Center","active":true,"usgs":true}],"links":[{"id":132771,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"volume":"29","issue":"5","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"4f4e4a2fe4b07f02db615cb8","contributors":{"authors":[{"text":"Reinert, Robert E.","contributorId":101214,"corporation":false,"usgs":true,"family":"Reinert","given":"Robert","email":"","middleInitial":"E.","affiliations":[],"preferred":false,"id":308388,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Stewart, Donald","contributorId":95850,"corporation":false,"usgs":true,"family":"Stewart","given":"Donald","affiliations":[],"preferred":false,"id":308387,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Seagran, Harry L.","contributorId":10388,"corporation":false,"usgs":true,"family":"Seagran","given":"Harry","email":"","middleInitial":"L.","affiliations":[],"preferred":false,"id":308386,"contributorType":{"id":1,"text":"Authors"},"rank":3}]}} ,{"id":81528,"text":"81528 - 1972 - Analysis of faunal remains from Black Mesa: 1968-1970 excavations. App. III,","interactions":[],"lastModifiedDate":"2012-02-02T00:04:01","indexId":"81528","displayToPublicDate":"1972-01-01T00:00:00","publicationYear":"1972","noYear":false,"publicationType":{"id":5,"text":"Book chapter"},"publicationSubtype":{"id":24,"text":"Book Chapter"},"title":"Analysis of faunal remains from Black Mesa: 1968-1970 excavations. App. III,","docAbstract":"No abstract available at this time","largerWorkType":{"id":4,"text":"Book"},"largerWorkTitle":"Archaelogical investigations on Black Mesa: 1969-1970 seasons.","largerWorkSubtype":{"id":4,"text":"Other Government Series"},"language":"English","publisher":"Prescott College Press","usgsCitation":"Douglas, C.L., 1972, Analysis of faunal remains from Black Mesa: 1968-1970 excavations. App. III,, chap. of Archaelogical investigations on Black Mesa: 1969-1970 seasons., p. 225-238.","productDescription":"p. 225-238","startPage":"225","endPage":"238","costCenters":[{"id":651,"text":"Western Ecological Research Center","active":true,"usgs":true}],"links":[{"id":128051,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"4f4e4ad0e4b07f02db6807e7","contributors":{"editors":[{"text":"Gumerman, G.","contributorId":112318,"corporation":false,"usgs":true,"family":"Gumerman","given":"G.","affiliations":[],"preferred":false,"id":504209,"contributorType":{"id":2,"text":"Editors"},"rank":1},{"text":"et al.","contributorId":128369,"corporation":true,"usgs":false,"organization":"et al.","id":536186,"contributorType":{"id":2,"text":"Editors"},"rank":2}],"authors":[{"text":"Douglas, C. L.","contributorId":64586,"corporation":false,"usgs":true,"family":"Douglas","given":"C.","email":"","middleInitial":"L.","affiliations":[],"preferred":false,"id":295541,"contributorType":{"id":1,"text":"Authors"},"rank":1}]}} ,{"id":1013631,"text":"1013631 - 1972 - Inheritance of albinism in rainbow trout","interactions":[],"lastModifiedDate":"2025-02-07T16:41:14.500236","indexId":"1013631","displayToPublicDate":"1972-01-01T00:00:00","publicationYear":"1972","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":2333,"text":"Journal of Heredity","active":true,"publicationSubtype":{"id":10}},"title":"Inheritance of albinism in rainbow trout","docAbstract":"No abstract available.
","language":"English","publisher":"Oxford Academic","doi":"10.1093/oxfordjournals.jhered.a108258","usgsCitation":"Bridges, B., and von Limbach, B., 1972, Inheritance of albinism in rainbow trout: Journal of Heredity, v. 63, no. 3, p. 152-153, https://doi.org/10.1093/oxfordjournals.jhered.a108258.","productDescription":"2 p.","startPage":"152","endPage":"153","numberOfPages":"2","costCenters":[{"id":365,"text":"Leetown Science Center","active":true,"usgs":true}],"links":[{"id":132192,"rank":1,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"volume":"63","issue":"3","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"4f4e49f0e4b07f02db5ee093","contributors":{"authors":[{"text":"Bridges, B.","contributorId":10002,"corporation":false,"usgs":true,"family":"Bridges","given":"B.","email":"","affiliations":[],"preferred":false,"id":318913,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"von Limbach, B.","contributorId":52125,"corporation":false,"usgs":true,"family":"von Limbach","given":"B.","affiliations":[],"preferred":false,"id":318914,"contributorType":{"id":1,"text":"Authors"},"rank":2}]}} ,{"id":1017045,"text":"1017045 - 1972 - Inheritance study of five individual matings of channel catfish Ictalurus punctatus","interactions":[],"lastModifiedDate":"2012-02-02T00:04:34","indexId":"1017045","displayToPublicDate":"1972-01-01T00:00:00","publicationYear":"1972","noYear":false,"publicationType":{"id":24,"text":"Conference Paper"},"publicationSubtype":{"id":18,"text":"Abstract or summary"},"seriesTitle":{"id":462,"text":"ASB (Association of Southeastern Biologists) Bulletin","active":false,"publicationSubtype":{"id":18}},"title":"Inheritance study of five individual matings of channel catfish Ictalurus punctatus","docAbstract":"No abstract available at this time","largerWorkType":{"id":2,"text":"Article"},"largerWorkTitle":"ASB (Association of Southeastern Biologists) Bulletin","largerWorkSubtype":{"id":10,"text":"Journal Article"},"language":"English","collaboration":"None/FF","usgsCitation":"Biggers, C., Tackett, D., and Simco, B., 1972, Inheritance study of five individual matings of channel catfish Ictalurus punctatus, in ASB (Association of Southeastern Biologists) Bulletin, v. 19, no. 2.","productDescription":"54 p.","startPage":"54","numberOfPages":"54","costCenters":[{"id":365,"text":"Leetown Science Center","active":true,"usgs":true}],"links":[{"id":132763,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"volume":"19","issue":"2","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"4f4e49f1e4b07f02db5ee497","contributors":{"authors":[{"text":"Biggers, C.J.","contributorId":46903,"corporation":false,"usgs":true,"family":"Biggers","given":"C.J.","email":"","affiliations":[],"preferred":false,"id":324578,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Tackett, D.","contributorId":36089,"corporation":false,"usgs":true,"family":"Tackett","given":"D.","affiliations":[],"preferred":false,"id":324577,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Simco, B.A.","contributorId":101216,"corporation":false,"usgs":true,"family":"Simco","given":"B.A.","email":"","affiliations":[],"preferred":false,"id":324579,"contributorType":{"id":1,"text":"Authors"},"rank":3}]}} ,{"id":1013983,"text":"1013983 - 1972 - Mixtures of malachite green and formalin for controlling Icthyophthirius and other protozoan parasites of fish","interactions":[],"lastModifiedDate":"2025-08-04T16:27:01.955009","indexId":"1013983","displayToPublicDate":"1972-01-01T00:00:00","publicationYear":"1972","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":3196,"text":"Progressive Fish-Culturist","active":true,"publicationSubtype":{"id":10}},"title":"Mixtures of malachite green and formalin for controlling Icthyophthirius and other protozoan parasites of fish","docAbstract":"No abstract available.
","language":"English","publisher":"Wiley","doi":"10.1577/1548-8640(1972)34[21:MOMGAF]2.0.CO;2","usgsCitation":"Leteux, F., and Meyer, F.P., 1972, Mixtures of malachite green and formalin for controlling Icthyophthirius and other protozoan parasites of fish: Progressive Fish-Culturist, v. 34, no. 1, p. 21-26, https://doi.org/10.1577/1548-8640(1972)34[21:MOMGAF]2.0.CO;2.","productDescription":"6 p.","startPage":"21","endPage":"26","costCenters":[{"id":365,"text":"Leetown Science Center","active":true,"usgs":true}],"links":[{"id":131943,"rank":1,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"volume":"34","issue":"1","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"4f4e4b05e4b07f02db699a92","contributors":{"authors":[{"text":"Leteux, F.","contributorId":38835,"corporation":false,"usgs":true,"family":"Leteux","given":"F.","email":"","affiliations":[],"preferred":false,"id":319559,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Meyer, Fred P.","contributorId":28642,"corporation":false,"usgs":true,"family":"Meyer","given":"Fred","email":"","middleInitial":"P.","affiliations":[],"preferred":false,"id":319560,"contributorType":{"id":1,"text":"Authors"},"rank":2}]}} ,{"id":70010142,"text":"70010142 - 1972 - Occurrence of chromian, hercynitic spinel (\"pleonaste\") in Apollo-14 samples and its petrologic implications","interactions":[],"lastModifiedDate":"2020-12-23T01:13:11.010862","indexId":"70010142","displayToPublicDate":"1972-01-01T00:00:00","publicationYear":"1972","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":1427,"text":"Earth and Planetary Science Letters","active":true,"publicationSubtype":{"id":10}},"title":"Occurrence of chromian, hercynitic spinel (\"pleonaste\") in Apollo-14 samples and its petrologic implications","docAbstract":"Many isolated grains of a reddish pleonaste-type spinel occur in fines and metabreccia samples, particularly 14 319. Electron microprobe analyses (104) of spinels and their associated phases include 58 of pleonaste which show Mg/(Mg + Fe) 0.44–0.62 and Cr/(Cr + Al) 0.017–0.134 (atomic), plus minor amounts of other ions, and differ greatly from almost all previously recorded lunar spinels; almost no spinels of intermediate composition were found. Two types of compositional zoning exist: a diffuse primary one with cores lower in Ti, and a narrow secondary one from reaction with matrix yielding rims higher in Cr, Ti, and Mn. At contacts with breccia matrix there is a narrow corona of almost pure plagioclase (An80-An94), free of opaque minerals and pyroxene. Two types of solid inclusions found in the pleonaste are calcic plagioclase, and tiny spherical masses of nickel-rich sulfide.
Similar pleonaste occurs in crystalline rock clasts, mainly with plagioclase; one clast (A) consists only of coarse olivine, plagioclase, and pleonaste, with granulated grain boundaries suggestive of deformation. From composition and texture, this clast is one possible candidate for the mafic cumulate counterpart of the “anorthositic” crust. Another clast (B), also made solely of olivine, plagioclase and pleonaste, is itself a breccia. These data suggest a two-stage brecciation process: 1) disruption (probably pre-Imbrian) of a deep-seated pleonaste-bearing source rock like A and reconsolidation to form a breccia without addition of pyroxene, ilmenite or other minerals; and 2) disruption of this breccia to yield breccia clast B which was then incorporated into the Fra Mauro formation.
No abstract available.
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1972 - Survey for infectious hematopoietic necrosis (IHN) virus in Washington salmon","interactions":[],"lastModifiedDate":"2017-02-15T12:25:03","indexId":"70182024","displayToPublicDate":"1972-01-01T00:00:00","publicationYear":"1972","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":3196,"text":"Progressive Fish-Culturist","active":true,"publicationSubtype":{"id":10}},"title":"Survey for infectious hematopoietic necrosis (IHN) virus in Washington salmon","docAbstract":"A virus disease of juvenile sockeye salmon (Oncorhynchus nerka) has been a problem in Washington hatcheries since first reported by Rucker [9] in 1953. 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","language":"English","publisher":"Taylor & Franics","doi":"10.1577/1548-8640(1972)34[143:SFIHNI]2.0.CO;2","usgsCitation":"Amend, D.F., and Wood, J.W., 1972, Survey for infectious hematopoietic necrosis (IHN) virus in Washington salmon: Progressive Fish-Culturist, v. 34, no. 3, p. 143-147, https://doi.org/10.1577/1548-8640(1972)34[143:SFIHNI]2.0.CO;2.","productDescription":"5 p. ","startPage":"143","endPage":"147","costCenters":[{"id":654,"text":"Western Fisheries Research Center","active":true,"usgs":true}],"links":[{"id":335526,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"volume":"34","issue":"3","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"58a5770de4b057081a24eeca","contributors":{"authors":[{"text":"Amend, Donald F.","contributorId":106543,"corporation":false,"usgs":true,"family":"Amend","given":"Donald","email":"","middleInitial":"F.","affiliations":[],"preferred":false,"id":669324,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Wood, James W.","contributorId":181742,"corporation":false,"usgs":false,"family":"Wood","given":"James","email":"","middleInitial":"W.","affiliations":[],"preferred":false,"id":669325,"contributorType":{"id":1,"text":"Authors"},"rank":2}]}} ]}