 | | Report (chapter) | | 1984), New Guinea (Gust & Johnson 1981), the Philippines (Newhall 1979), Lesser Antilles (Arculus & Wills...Ophiolite, exposed in the eastern Tauride Belt (Alada~ region) in southern Turkey, is one of the largest Late...eastern Taurus Autochthon is exposed in the Alada~ region (Blumenthal 1947; Polat & Casey 1995). The upper...Tectonicimplications Ophiolites in the eastern Mediterranean region and the Middle East, including Oman, Baer Bassit...Mersin Ophiolite is from Parlak et al. (1996). (b) Anorthite content in plagioclase (mol%) v. enstatite content |  | | Journal (article/letter/editorial) | | dominance of calcic plagioclase (labradorite-anorthite) amongst the phenocryst phases. Pyroxenes are...included from the Sunda arc, or the Mediterranean region. 2. Classification This causes much dispute, particularly...Montserrat); western Americas (Cascades, Utah, Paricutin region, Nicaragua, Honduras, northwest Argentina, northern...island arc quartz-normative tholeiites within this region. (b) Mg/Mg + Fe ratios (Table I) decrease from...Argentina [ 16], and some lavas of the Paricutin region [17,18]. (2) Histograms, based on stated plagioclase |  | | Journal (article/letter/editorial) | | to lie close to the hornblende-outsurface.In the region ofthe diagram where hornblendeis a liquidus mineral...must lie below the hornblende-out surface. In the region ofthe diagram where the hornblende-out surface...glassesin natural high-alumina basalts have 62 (Fuego volcano, Guatemala-Rose e/ al., 1978) and 67 (Hat Creek...1783eruptionof Asama Volcano,Japan.Background:the eruptionand itsproducts Asama volcano is a composite andesitic...and is from a lump of pumice extruded from Asama volcano, probably on or before August 2, 1783. analysisyields |  | | Report (issue) | | Nuées Ardentes of the 1970 Eruption of Ulawun Volcano, New Britain, by William G. Melson, Eugene Jarosewich...Rvecensis i Two : ewe Basalts from Kilauea Volcano, by R. F. Fudali Iron-rich Saponite: Additional...the 1970 Eruption of Ulawun Volcano, New Britain ABSTRACT Ulawan volcano, New Britain, (5°02’40’S., 151°20'15”E...historic nuées ardentes. Introduction Ulawun volcano, New Britain, had an eruption early in 1970. First...studied as part of this project (1968 eruption of Mayon volcano, Phillippines, see Moore and Melson 1969; 1968 |  | | Book | | Kamchatka-Kuriles Japan-Ryukyu Izu-Bonin-Marianas Philippines-Sulawesi South-west Pacific New Zealand Sumatra-Java...island arcs. Examples are: New Zealand, the Philippines, Japan, southern Alaska, part of Central America...in the world and includes the celebrated island volcano of Krakatoa. The lavas in this volcanic chain are...basaltic and andesitic, the magmas of the Taupo province are mainly rhyolitic, with andesite and basalt...Auck¬ land area, to the north-west of the Taupo province, i.e. overlying a deeper level of the presumed |  | | Journal (article/letter/editorial) | | (1985) 90:142-161 9 Springer-Verlag1985 Jorullo Volcano, Michoacfin, Mexico (1759-1774): The earliest stages...94720 Abstract. Between 1759 and 1774, Jorullo Volcano and four associated cinder cones erupted an estimated...SiO2). In marked contrast to Paricutin, Jorullo Volcano and its 1759 birth in a narrow ravine have been... I I . Fig. 1. Location map showing Jorullo Volcano, its four parasitic cones (N=Volcfin del Norte...flooded much of the valley to the west of the volcano, from La Puerta de La Playa to La Huacana. The |  | | Book | | Andesite Magma Reservoirs ... Stress Fields and Volcano Spacings Within Volcanic Arcs ...................albite ab normative albite An anorthite an normative anorthite AND Andean or active continental...unrelated genetically even when occurring atthe same volcano (e .g., Masuda and Aoki, 1979). In summary, I believe...For example, the orogenic andesites of Merapi volcano in Java, Indonesia (Neumann van Padang 1951) change...Java c. Banda 9. Halmahera Sulawesi 10. SE Philippines 11. Luzon-Taiwan 12. Ryuku-West Japan 13. Mariana-Izu |  | | Book | | Source of Magmas 22-6 Partial Melting in the Source Region 22-7 Summary and Conclusions 468 Problems 469...section of lithosphere. Beneath a stable continental region this isotherm is at a depth of approximately 40...flow, are characteristic of a given geological province. For example, its value in the eastern United...United States is 33 mW m~?, in the Basin and Range Province it is 59 mW m ?, and in both the Baltic and Canadian...useful means of approximating a function beyond the region If we assume that the concentration of heat-producing |  | | Book | | with the end members albite, Na[AlSi3O8], and anorthite, Ca[Al2Si2O8], in which the valence adjustment...with the end members albite, Na[AlSi3O8], and anorthite, Ca[Al2Si2O8]. Variations in temperature and pressure...coccoliths. From plankton sample of the Kimberley region, Australia, kindly provided by CSIRO Tasmania (picture...which the transport medium can move from the source region to the locus of ore precipitation; 5 an energy...deposits of the Namib Desert and in the offshore region of Namibia. Many occurrences of diamond are known |  | | Report (volume) | | events, such as the 1991 Pinatubo eruption in the Philippines, are now known to accelerate damage to the Earth's...from the on-going eruption of the Soufriere Hills Volcano, Montserrat. The data show that a sample from the...and lava dome samples from the Soufriere Hills Volcano, Montserrat Rock type Porosity (%) Permeability...Mount Redoubt, Alaska (Chouet 1996) and Galeras Volcano, Colombia Table 2. Topics for future research...The causes of volcanic earthquakes The causes of volcano instability that may trigger explosive eruptions |  | | Journal (article/letter/editorial) | | most historically active andesitic composite volcano. It lies 150 km north of the Middle America Trench...closer to the trench than any other composite volcano in Mexico. Since its earliest reported eruption...Volc/m de Colima, Mexico's most historically active volcano, is centered approximately 5.5 km south of Nevado's...aprons surrounding Nevado de Colima and the older volcano to the north at 900 m-l,700 m elevation (Fig. 2)...Since the earliest available report in 1576, the volcano has experienced three cycles of eruptive activity |  | | Journal (issue) | | geometrically exact center is a little west of Mayon volcano in Luzon, and whose circumferepce is marked bY....into consideration. Gold has been found in every province of Canada except Prince Edward Island. s \Ve...; phosphate of beryllium and sodium. Biotine-anorthite from Mount Somma, Vesuvius, Italy. Bishop's Stone-quar |  | | Book (edition) | | Typhon is buried under Etna volcano. Whenever the giant stirs, the volcano erupts violently. Eighteenth...Science, New Zealand Stephen R. McNutt Alaska Volcano Observatory and University of Alaska Fairbanks...Hazard from Lahars and Jökulhlaups Synthesis of Volcano Monitoring 973 1121 John B. Murray, Hazel Rymer...McNutt Impacts of Eruptions on Human Health Volcano Warnings Volcanic Crises Management Peter J. Baxter...Related Phreatomagmatic Eruptions Synthesis of Volcano Monitoring 495 1165 Volcanic Lakes Volcanic Materials |  | | Book | | From the smallest rock fragment to the largest volcano, every rock tells a story about Earth. With a little...B e 4 ’ is pushing under another dominant volcano. INDIAN i ° y\ Mt Kronotskaya is the valley...Vad lla Rc lea oreo rd Cereus The subduction volcano Gunung Semeru (above) lies in the Indonesian island...elem oa eee ema Lake Carla subduction, while the volcano el ot a eR oltre Reese ee Rok adm a cere eee Ra...Pacific spreading ridge), each with an active volcano or seamount end. Unlike ot olcanic vhich is related |  | | Book | | Anorthosite Occurrences ...... 2.12.1 Canada (Superior Province) ......... 2.12.1.1 The Bad Vermilion Lake Complex...River Area, Manitoba .. 2.12.2 Canada (Churchill Province) ......... 2.12.3 Canada (Labrador) ................................ 185 3.14.1 The Grenville Province .............. 185 3.14.2 The Nain;Churchill Provinces...never meant to imply the exclusive presence of anorthite, a term that has similar etymology. Plagioclase...Method Manitoba: Minago River CANADA (Superior Province) (Fig. 2.19): Locality greensch.amphib. hbld |  | | Report (issue) | | Coastal plains_---______________________ Central region and Great Plains._____________ Kentucky__ _ __________________...------43 43 Basin and Range region----....-. ._ -45 Pacific coast region ____________________ 48 Alaska...Puerto Rico ________--__----------_67 Midcontinent region._ _____-_--_-_--_-67 Interstate studies.______-_-_-----------68...Arkansas-_________----_--------------72 Rocky Mountain region-__ -----72 Montana.________--__----------------73...Continued Water resources Continued Rocky Mountain region Continued Arizona _ ____________________ Oklahoma- |  | | Book (edition) | | Geographic The eruption on January 22, 1973, of the volcano Helgafjell on Heimany Island near Iceland and Surtsey...suddenly off the coast of Iceland, in 1963; another volcano near Iceland erupts suddenly, in 1973; and on...park lodge, are set in the crater of an ancient volcano, Mt. Mazama. Crater Lake, in Oregon's southern...New Mexico, is now a relic of just sucha former volcano (see Fig. 6.11). An understanding of the meaning...insignificant geologically, but the noise of an exploding volcano may dislodge soil or rocks. Earthquakes are a series |  | | Book (edition) | | paper and other essential materials. -The Volcano Ngaurnhoe, New Society. Zealand. {CopyTight Notionol...these make angles of 90 degrees; Albite and anorthite have cleavages that make angles about 86 degrees;'...hence the name.^ of or flesh-colored. Albite, anorthite, calcium Quartz. sodium aluminum aluminum ...6Si02, hardness 6.5; anorthite, CaO.Al2O3.2Si02, hardness 6.5. Albite and anorthite molecules form a series...bytownite, anorthite. Starting with albite the sodium and calcium increases to anorthite. The physical |  | | Book | | Introduction 2. The Sierra Madre Occidental Volcanic Province 3. Regional Stratigraphy of the Sierra Madre Occidental...Hydrothermal Fluid Circulation Hydrothermal Systems and Volcano Monitoring An Example of Assessing the Role of...Application of the Geostatistical Approach to Volcano Forecasting at Different Time Scales ix 471 ...consequence, not the cause of the collapse. At Kilauea Volcano in Hawaii, the concept of caldera formation by...Aguirre-Diaz et al. report on the large ignimbrite province of the Sierra Madre Occidental in Mexico, presenting |  | | Book | | were created by under¬ sea volcanoes. An active volcano is still adding acreage to the island of Hawaii;...Aloi Crater, on the east rift zone of Kilauea volcano, in May 1969. Photo by U.S. Department of the Interior...and the islands beyond ated to modify the summit region of Mauna Kea on the island of Hawaii. Only paleon¬...the Volcano House at Kilauea saw an orange-red glow appear near the top of Mauna Loa. The volcano was...molten rock through the feeding channels of the volcano. At first, two columns of gas, glowing bright orange-red |  | | Report (issue) | | constitue:p.ts, barium along the Rocky Mountain region than in the but only those essential to a proper...investigating a region, locality, or to the ferrous oxide in the most accurate work. volcano where there...determination of manpresence or absence in the region or in the various 1nagmas ~s of most iinportance...liability to error in alumina involved in the acetate region in its n.1ain features and a sufficient knowledge...weighed have for the calculation of the runoun t of anorthite- as li1ne. But as manganese oxalate is slightly |  | | Book (edition) | | historic eruptions 251 and natural gas 130 13.11 Volcano prediction 257 9.10 Exploration for oil and...ask: What are the lavas made of? How does the volcano work and how is the heat generated? Where do the...the lavas and gases come from? When did the volcano first begin to erupt and when is it likely to erupt...It is quite useless, for example, to ask why a volcano erupts, or why the sky is blue, or why there are...propitiated by suitable sacrifices. In the Mediterranean region, for example, many of the Olympian gods made familiar |  | | Book (edition) | | major events have I •'\ FIG. 1.8. Paricutin Volcano, Mexico, as it appeared in 1943. In nine years...universe ,vas once concentrated into a smaller region and has expanded to its present proportions. With...northern part of the moon, at last quarter, in the region from Copernicus to the limb. Although these craters...Just as the soils and vegetation of a particular region are determined largely by climate, so geologic...composition and physical properties. Troposphere. The region above the lithosphere, or solid earth, is known |  | | Report (issue) | | USA Jon J. Major U.S. Geological Survey Cascades Volcano Observatory 1300 SE Cardinal Court Vancouver, Washington...voluminous Acajutla debris avalanche from Santa Ana volcano, western El Salvador, and comparison with other...Payson Sheets . The acid volcanic lake of Santa Ana Volcano, El Salvador ..... 0.0.2 06 606 ee es Alain Bernard...carbon dioxide, radon, and mercury at San Miguel volcano, FEL SQIVAROT SES Ge. BON ea arcoe a) Ma Squid...Physical and chemical evolution of San Miguel volcano, El Salvador ..................-. Craig A. Chesner |  | | Journal (volume) | | conductive layer under the Basin and Range geologic province ends abruptly near the New Mexico- Texas border...slightly deeper level. On the other hand if that region contains more FeO than the model, then the transformation...mantle temperature is higher than 1600°C in this region, then the transformation will occur at a shallower...applying recent mineral physics results to the region of the mantle transition zone; future revisions...liquidus phases rich in MgO, FeO, and CaO. In the region from 400 to 500 km, liquidus precipitates will |
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