Science Frontiers
The Unusual & Unexplained

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About Science Frontiers

Science Frontiers is the bimonthly newsletter providing digests of reports that describe scientific anomalies; that is, those observations and facts that challenge prevailing scientific paradigms. Over 2000 Science Frontiers digests have been published since 1976.

These 2,000+ digests represent only the tip of the proverbial iceberg. The Sourcebook Project, which publishes Science Frontiers, also publishes the Catalog of Anomalies, which delves far more deeply into anomalistics and now extends to sixteen volumes, and covers dozens of disciplines.

Over 14,000 volumes of science journals, including all issues of Nature and Science have been examined for reports on anomalies. In this context, the newsletter Science Frontiers is the appetizer and the Catalog of Anomalies is the main course.


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Compilations of back issues can be found in Science Frontiers: The Book, and original and more detailed reports in the The Sourcebook Project series of books.

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Search results for: channelled scablands

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... Science Frontiers ONLINE No. 76: Jul-Aug 1991 Issue Contents Other pages Home Page Science Frontiers Online All Issues This Issue Sourcebook Project Sourcebook Subjects Catastrophic flooding on mars?Could that parched red planet seen in the Viking pictures have been the site of a colossal flood -- a wall of water greater than anything ever seen on earth? Terrestrial geologists point to the Channeled Scablands in eastern Washington State as evidence of what the sudden release of a huge lake's water can do to the landscape. Everywhere in this part of Washington are deeply incised grooves and dry cataracts separated by water-streamlined bars. Exactly this sort of harsh, scoured topography can be found at Kasei Valles, Mars. "The upper part of the channel system is typically less than 1 km deep and ... from Echus Chasma about 1 km over a distance of 1000 km; it then splits into north and south channels. On the basis of a stereomodel of Viking images, we have measured the geometry of a steep, constricted reach of the north channel that drops 900 m in only 100 km. A late-stage flood is hypothesized to have scoured the channel. If we assume that channel striations indicate water levels, then the flood had a minimum cross-sectional area of 3.12 x 107 m2 (the putative flood had a width of 83 km, an average depth of 373 m, and a maximum depth of 1280 m). These channel measurements suggest that flood vel ocities ranged from 32 to 75 m. s-1 and that discharge was greater than 1 km3. ...
Terms matched: 2  -  Score: 186  -  15 May 2017  -  URL: /sf076/sf076a04.htm
... Science Frontiers ONLINE No. 16: Summer 1981 Issue Contents Other pages Home Page Science Frontiers Online All Issues This Issue Sourcebook Project Sourcebook Subjects A MARTIAN ICE AGE?Long, sinuous depressions called "outflow channels" are concentrated in the equatorial regions of Mars. They clearly resemble terrestrial stream beds and have been attributed to water action. The ancient Spokane Flood that carved our Washington State's channeled scablands is seen as an apt terrestrial analogy. The Martian channels, however, are much larger than the water-eroded terrestrial analogs. The authors of the subject paper suggest that ice rather than water created the Martian channels, pointing out that terrestrial ice-stream and glacier landforms are much closer to the Martian features in terms of scale. (Lucchitta, Baerbel K., et al ... "Did Ice Streams Carve Martian Outflow Channels?" Nature, 290:759, 1981.) Comment. This suggests the possibility that earth and Mars may have had synchronous Ice Ages due to solar variations or, perhaps, the envelopment of the entire solar system by a huge cloud of absorbing matter. From Science Frontiers #16, Summer 1981 . 1981-2000 William R. Corliss ...
Terms matched: 2  -  Score: 182  -  15 May 2017  -  URL: /sf016/sf016p03.htm
... Distribution of Hot Spots ECH5 Thermal Plumes Correlated with Other Geophysical Activity EQ SEISMIC PROBING OF INNER EARTH EQA LOCALIZED STRUCTURES IN THE CORE AND MANTLE EQA1 Stratification of Basement Rocks EQA2 Deep Continental Roots EQA3 Deep Penetration of Subducted Slabs EQA4 Lateral Inhomogeneities in the Lower Mantle EQA5 Mysterious Structures at the Core-Mantle Boundary EQA6 Seismic Reflectors EQD SEISMIC DETECTION OF LARGE SCALE DISCONTINUITIES, ZONES, STRUCTURES EQD1 Velocity Discontinuities EQD2 Channels and Zones EQD3 Structural Anomalies of the Inner Core EQD4 Anomalies Associated with Mantle Convection Cells EQQ ANOMALOUS SEISMIC SIGNALS EQQ1 Deep-Focus Earthquakes ES STRATIGRAPHIC ANOMALIES ESA EMBEDDED ACCRETION STRUCTURES ESA1 Cylindrical Structures in Rock and Unconsolidated Sediments ESA2 Spherical Aggregates ESA3 Concretions ESA4 Small Fused Structures ESA5 Geodes ESA6 Orbicules ESB ANOMALOUS BIOLOGICAL PHENOMENA IN GEOLOGY ESB1 Biological Extinction Events ESB2 Biological Explosion Events ESB3 Recent Vegetation and Shallow Water Fossils ... Natural Dams ETR6 Lake Walls and Ramparts ETR7 Buried Ridges within Continental Margins ETR8 Desert Ridges of Unknown Origin ETS CREVICULAR CRUSTAL STRUCTURE ETS1 Biological Evidence for Wide spread Crevicular Structure ETS2 Fluid-Filled Crevicular Structure at Great Depths ETS3 Seismic Evidence for Deep Crevicular Structure ETV VALLEYS, CHANNELS, FURROWS ETV1 Submarine Canyon Anomalies ETV2 Sea-Floor Channels ETV3 Wind Gaps ETV4 Height Differences of Opposite River Banks ETV5 The Channelled Scablands ETV6 Apparently Youthful Rivers ETV7 Grand-Canyon Anomalies ETV8 Flume-Like Furrows on Continental Slopes ETV9 Labyrinthine Topography ETV10 Uneroded, Elevated Plains of Great Age ETV11 Incised Meanders EZ THE GEOMAGNETIC FIELD AND PALEOMAGNETISM EZC MINOR PERTURBATIONS OF THE GEOMAGNETIC FIELD [GEZ] EZC1 Local Compass Anomalies EZC2 Magnetized Geological Features EZC3 Anomalies of Oceanic Magnetic Anomalies EZC4 Geographically-Specific Geomagnetic Anomalies EZC5 Earth-Current Anomalies EZF CONFIGURATION ...
Terms matched: 2  -  Score: 162  -  15 May 2017  -  URL: /cat-geol.htm
... . The strata are erosional remnants up to 5 kilometers high, with individual layers 170-220 meters thick. They can be traced on spacecraft photographs for some 50 kilometers. The material making up the strata is clearly different from that of the valley walls. After the layers were deposited, they were deeply eroded by some event in Martian history that seems related to the formation of the great outflow channels associated with Valles Marineris. The author of this American Geophysical Union paper concludes: "The morphology and history of the sediments are consistent with deposition in standing bodies of water early in Martian history." (Nedell, Susan S., and Squyers, Steven W.; "Geology of the Layered Deposits in the Valles Marineris, Mars," Eos, 65:979, 1984. ... Comment. The "event" that deeply eroded the Martian deposits may have been similar to the catastrophic emptying of Lake Missoula, which carved out the Channelled Scablands of eastern Washington state as the Ice Ages waned. From Science Frontiers #37, JAN-FEB 1985 . 1985-2000 William R. Corliss ...
Terms matched: 2  -  Score: 138  -  15 May 2017  -  URL: /sf037/sf037p04.htm
... . Just this single episode would have raised global sealevels by about 10 inches in a few days or weeks. Imagine what happened as this water flowed across North America. Many geologists look askance at Shaw's theory of drumlin formation. (Monastersky, R.; "Hills Point to Catastrophic Ice Age Floods," Science News, 136:213, 1989.) Comment. The famous Channelled Scablands in the Pacific Northwest are thought to have been scoured out when an ice dam broke unleashing the Spokane Flood near the end of the Ice Ages. These land forms are described in our catalog: Carolina Bays, Mima Mounds. For details on this volume visit: here . From Science Frontiers #66, NOV-DEC 1989 . 1989-2000 William R. Corliss ...
Terms matched: 2  -  Score: 118  -  15 May 2017  -  URL: /sf066/sf066g11.htm
... miles of water. When the ice dam suddenly ruptured, all life and land downstream was devastated. (Folger, Tim; "The Biggest Flood," Discover, 15:36, January 1994.) Comment. The breaking of Pleistocene ice dams also carved up parts of North America. There was the famous Cincinnati ice dam and, of course, the Spokane Flood that gouged out the Channelled Scablands of the Pacific Northwest, when Lake Missoula catastrophically emptied into the Pacific. See ETM5 in our catalog: Carolina Bays, Mima Mounds. It is described here . But other thoughts intrude: Were the heaps of mammoth carcasses, the Siberian "ivory islands," and those anomalous stone tools mentioned earlier under Archeology the consequences similar Siberian floods? From Science Frontiers #92, MAR- ... 1994 . 1994-2000 William R. Corliss ...
Terms matched: 2  -  Score: 118  -  15 May 2017  -  URL: /sf092/sf092g08.htm

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