 | | Journal (article/letter/editorial) | | a College of Earth Sciences, Jilin University, Changchun, PR China Published online: 30 Mar 2015. ...Fan College of Earth Sciences, Jilin University, Changchun, PR China Downloaded by [University of Montana]...analyses. Dating of magmatic zircons from three basalt samples indicates that the Dabure basalts formed...Qinghai–Tibet plateau; Qiangtang; Gondwanaland; basalt; zircon LA-ICP-MS U–Pb dating Introduction The...Geological background and characteristics of the basalt The Qiangtang block is located in northern Tibet |  | | Journal (article/letter/editorial) | | A CATALOGUE OF MASSACHUSETTS GEMSTONES FRANKLIN COUNTY (PART SIX) By RALPH GOSSE P.O. Box 5351, Albany...as 1 mile east of Deerfield Academy?) Franklin County 516 Desc:ription and Occurrence Waterworn masses...rock are occasionally found in river gravels. In basalt, rarely in masses over 3 inches across. A beautiful...schist. Loose nodular masses eroded from underlying basalt. Numerous references to this locality in early...finest specimen obtained from the Connecticut Valley basalt measured 9" x 6" and weighed 23 pounds. The center |  | | Report (issue) | | in rainy seasons. (From Wudalianchi Volcanoes in China, reproduced with permission of Shanghai Scientific...Technical Publishers, Shanghai, People’s Republic of China.) A Survey of Cenozoic Volcanism on Mainland Asia... Vii 2 J. L. Whitford-Stark EAST CHINA SEA SOUTH CHINA SEA Figure la. Distribution of exposed...PRODUCTS 1 OF CENOZOIC VOLCANISM IN ASIA KOREA CHINA-KOREA During Cretaceous time, the landscape of...volcano. The earliest structure formed was the basalt plateau, which is approximately 150 km in diameter |  | | Report (issue) | | Guide, Little Spokane River-Dartford Area, Spokane County, Washington Prepared for Midway Elementary School...can be studied in the Dartford area of Spokane County that simply would not fit into a guide of this...in these spreading centers forms a rock called basalt that is heavy and dark colored. As this new magma...ultimately collided. The Himalaya Mountains in Nepal and China are the result of two continents colliding during...older than 65 million years old. COLUMBIA RIVER BASALT AND LATAH FORMATION Between 5 and 24 million years |  | | Report (issue) | | the Diablo Mountain Wilderness Study Area, Lake County, Oregon f m V**^ U.S. GEOLOGICAL SURVEY BULLETIN...the Diablo Mountain Wilderness Study Area, Lake County, Oregon By MICHAEL F. DIGGLES, HARLEY D. KING,...the Diablo Mountain Wilderness Study Area, Lake County, Oregon / by Michael F. Diggles...[et al.]. p....Mountain Wilderness Study Area (OR-001-058), Lake County, Oregon. CONTENTS Summary Dl Abstract Dl Character...of Diablo Mountain Wilderness Study Area, Lake County, Oregon D2 2. Map showing mineral resource potential |  | | Journal (issue) | | pillow basalt provides evidence for the history of the Columbia River Gorge at Columbia River basalt time...beginning on next page. 102 OIL AND GAS NEWS Columbia County Champlin Petroleum's Puckett 13-36, located in...~ mi north of Columbia County 23-22, a new producer since May. Douglas County Hutchins and Marrs started...Jannsen Well Drilling Company is the contractor. Lane County Drilling continues on Leavitt Exploration and Drilling...API number 266 Reichhold Energy Corp. Columbia County 23-4 009-00130 Amoco Production Co. Weyerhaeuser |  | | Journal (issue) | | Field Reichhold Energy Corporation drilled Columbia County 43-5 in sec. 5, T. 6 N., R. 5 W. in 1982. The well...20 T.5S.,R.IE. Clackamas County SW'A sec. 29 T. 5 S., R. IE. Clackamas County SW\4 sec. 20 T. 5 S .• R...R. IE. Clackamas County NW'A sec. 20 T. 6 N., R. 4 W. Columbia County Status, proposed total depth (ft)...exposures of the Oligocene Yaquina Formation in Lincoln County, could be one of the specimens most important to...record. The recovery of Aetiocetus remains in Marion County, Oregon, is followed here by notes on fragmentary |  | | Report (issue) | | surficial deposits. Most of the volcanic rocks are basalt that was extruded during a continuation of the...Volcanic rocks Basalt covers most of the small area of land in the Wadi Amq quadrangle; outcrops include one...cinder cone and part of another. Extrusion of the basalt resulted from continuation of the opening of the...quadrangles to the east. The surfaces of the basalt outcrops are composed of angular blocks of lava as much...beneath the surfaces are vesicular columnar basalt. The basalt is unaltered and includes, in order of decreasing |  | Li, Yin-Qi, Li, Zi-Long, Yu, Xing, Langmuir, Charles H., Santosh, M., Yang, Shu-Feng, Chen, Han-Lin, Tang, Zhong-Li, Song, Biao, Zou, Si-Yuan (2014) Origin of the Early Permian zircons in Keping basalts and magma evolution of the Tarim Large Igneous Province (northwestern China) Lithos, 204. 47-58 doi:10.1016/j.lithos.2014.05.021 | Journal (article/letter/editorial) | | the Tarim Large Igneous Province (northwestern China) Yin-Qi Li, Zi-Long Li, Xing Yu, Charles H. Langmuir...the Tarim Large Igneous Province (northwestern China), LITHOS (2014), doi: 10.1016/j.lithos.2014.05.021...Tarim IP T Large Igneous Province (northwestern China) SC R Yin-Qi Lia,b, Zi-Long Lia,*, Xing Yuc, Charles...Sciences, Zhejiang University, Hangzhou 310027, PR China b Department of Earth and Planetary Sciences,...Hangzhou 310012, PR China MA 100083, PR China D School of Earth Science and Resources, China University of |  | | Report (issue) | | the St. George Canyon quadrangle, northern Mohave County, Arizona by George H. Billingsley Open-File Report...quadrangle (96 sq km) is located in northern Mohave County Arizona, about 90 kilometers south of the Utah-Arizona...The Moenkopi Formation is present in scattered outcrops in Hobble graben. The oldest map unit, the Pakoon... George Canyon 7.5 quadrangle, northern Mohave County, northwestern Arizona, showing 7.5 quadrangle mapped...gray limestone of the Pakoon Limestone. The Hobble basalt flow, northwest quarter of the quadrangle, is assumed |  | | Journal (article/letter/editorial) | | investigation of Carboniferous igneous rocks at Tickenham, County of Avon P. KEAREY & J. R. A L L I S O N Summary...Carboniferous age are rare in the Bristol district; outcrops have been described from only five localities...GCO-Goblin Combe Oolite, CDM-Clifton Down Mudstone, b-basalt, GuO-Gully Oolite, BRD-Black Rock Dolomite, BRL-Black...hoped to survey the whole area between the basalt outcrops at Round Wood and High Wood (Fig. 1 a) to investigate...address: 128.255.6.125 Carboniferous igneous rocks, County of Avon 589 Figure 2. The study area and magnetic |  | | Journal (article/letter/editorial) | | Orocopia Mountains. We found that other units (basalt, sedimentary within the southern part of the Orocopia...Orocopia Mountains. We found that other units (basalt, sedimentary therocks, southern part granodiorite...rhyolite) did notWe necessarily correlate with(basalt, colors in either of the rocks, granite, granodiorite...outlier are mapped, along with several basalt several basalt units. However the majority of the Chocolate...Mountains gneiss and granite unitswith are several basalt units. However majority ofMountains the Chocolate |  | | Journal (article/letter/editorial) | | picrites in the Emeishan large igneous province, SW China Qingyan Tang & Chusi Li & Mingjie Zhang & Yao Lin...basalts in the Emeishan large igneous province, SW China have been debated for a long time. Some researchers...Mineral Resources in Western China, Lanzhou University, Lanzhou 730000, China e-mail: mjzhang@lzu.edu.cn...Geochemistry, Chinese Academy of Sciences, Guiyang 550002, China C. Li Department of Geological Sciences, Indiana...evidences for Permian mantle plume activity in SW China. Introduction To better understand the origin and |  | | Journal (article/letter/editorial) | | 1962), despite overlying an older basalt formation the Kyogle Basalt. Nonetheless, the stratigraphy proposed...70 J. V. SMITH AND E. C. HOUSTON 2km Blue Knob Basalt | lava tier | Nimbin Rhyolite (undifferentiated)...(crystal rich) [~~j Lismore Basalt, Dorroughby Tuff and some younger basalt [^1 Pre-Tertiary sediments...extrusion of the lavas. Contours of the Tertiary sub-basalt topography are similarly dipping and probably reflect...Mason (1978) observed the overlying basalt unit (Blue Knob Basalt) covering both Nimbin Rhyolite and lower |  | Li, Yin-Qi, Li, Zi-Long, Sun, Ya-Li, Santosh, M., Langmuir, Charles H., Chen, Han-Lin, Yang, Shu-Feng, Chen, Zhong-Xing, Yu, Xing (2012) Platinum-group elements and geochemical characteristics of the Permian continental flood basalts in the Tarim Basin, northwest China: Implications for the evolution of the Tarim Large Igneous Province. Chemical Geology, 328. 278-289 doi:10.1016/j.chemgeo.2012.03.007 | Journal (article/letter/editorial) | | continental flood basalts in the Tarim Basin, northwest China: Implications for the evolution of the Tarim Large...Sciences, Zhejiang University, Hangzhou 310027, PR China Guangzhou Institute of Geochemistry, Chinese Academy...Academy of Sciences, Guangzhou 510640, PR China c Division of Interdisciplinary Science, Faculty of Science...State Oceanic Administrator, Hangzhou 310012, PR China b a r t i c l e i n f o Article history: Accepted...University, 38 Zheda Road, Hangzhou 310027, PR China. Tel./fax: + 86 571 87951580. E-mail address: zilongli@zju |  | Holdgate, G. R., Wallace, M. W., Gallagher, S. J., Wagstaff, B. E., Moore, D. (2011) Paleogene basalts prove early uplift of Victoria's Eastern Uplands. Australian Journal of Earth Sciences, 58 (1) 95-99 doi:10.1080/08120099.2011.535016 | Journal (article/letter/editorial) | | points. He has described a series of Paleogene age basalt infilled paleovalleys on the southern side of the...shows mapped and aeromagnetic views of two main basalt filled Eocene paleorivers heading south to Gippsland...lateral stream profiles. These are: a. The base-of-basalt profiles determined by VandenBerg (2010) were derived...generally hidden underneath the thickest areas of basalt paleovalley infill. Infills can often be readily...2008b). Consequently, it is rare to see the sub-basalt sediments exposed. The maximum paleovalley bases |  | | Report (chapter) | | the northern end of the Faeroe Bank Channel the basalt crops out as a result of non-deposition and erosion...to Recent sediments has been deposited above the basalt. In this paper we discuss the distribution of four...deduced by the present distribution of seafloor outcrops or subcrops under a thin Quaternary cover. Tertiary...volcanic rocks, which are mostly subaerial plateau basalt of tholeiitic character (Rasmussen & Noe-Nyg~rd...primary volcanic escarpments are formed where the basalt enters a watercovered area at the contemporary |  | Tosdal, R.M., Eppinger, R.G., Erdman, J.A., Hanna, W.F., Pitkin, J.A., Blank, H.R., O'Leary, R. M., Watterson, J.R. (1990) Mineral resources of the Cactus Plain and East Cactus Plain Wilderness Study Areas, La Paz County, Arizona. Open-File Report Vol. 1990 (90-510) US Geological Survey doi:10.3133/ofr90510 | Report (issue) | | EAST CACTUS PLAIN WILDERNESS STUDY AREAS, LA PAZ COUNTY, ARIZONA By Richard M. Tosdal1, Robert G. Eppinger2...Plain (AZ050-017) Wilderness Study Areas, La Paz County, Arizona. CONTENTS Summary 5 Abstract 5 Character...East Cactus Plain Wilderness Study Areas,, La Paz County, Arizona. 6 Map showing mineral resource potential...East Cactus Plain Wilderness Study Areas, La Paz County, Arizona. 8 Geochemically anomalous areas in and...East Cactus Plain Wilderness Study Areas, La Paz County, Arizona. Approximate boundaries of the mining |  | | Journal (article/letter/editorial) | | across, on blue thomsonite. Lucky Peak Dam, Ada County; Lanny Ream specimen and photo. Figure 3 (below)...cut near Pinehurst, Adams County; Lanny Ream specimen and photo. Ada County Lucky Peak Dam, on east side...side along picnic area, in small cavities in basalt: small crystals of CALCITE, CHABAZITE, LEVYNE, PHILLIPSITE...PHILLIPSITE, and THOMSONITE. Adams County Alaska mine, Seven Devils district: azurite, grossular, malachite...GROSSULAR. Pinehurst, for a few miles south, in basalt outcrops and road cuts along Highway 95: good small |  | Xu, Yi-Gang, Wei, Xun, Luo, Zhen-Yu, Liu, Hai-Quan, Cao, Jun (2014) The Early Permian Tarim Large Igneous Province: Main characteristics and a plume incubation model. Lithos, 204. 20-35 doi:10.1016/j.lithos.2014.02.015 | Journal (article/letter/editorial) | | Chinese Academy of Sciences, Guangzhou, 510640, China a r t i c l e i n f o Article history: Received...interaction Tarim NW China a b s t r a c t The Early Permian magmatism in Tarim, NW China comprises diamondiferous...intercalation of volcanic rocks with sediments in outcrops and drill holes. Although the spatial distribution...Academy of Sciences, 510640 Wushan, Guangzhou, P. R. China. Tel.: +86 20 85290109; fax: +86 20 85290261. E-mail...part of Xinjiang Province is the largest basin in China, occupying an area of ~ 600,000 km2. It is also |  | | Report (issue) | | volcanism called the Death Valley-Pancake Range basalt belt (Carr, 1984). The geologic units that underlie...Tertiary and Quaternary surficial deposits and basalt flows. Pre-Cenozoic sedimentary and metamorphic...reflection profile successfully imaged faulting and basalt flows. On a more local scale, highresolution seismic-reflection...however, just to the south of station 210 are outcrops of Ammonia Tanks Tuff (Swadley and Carr, 1987)...magnetometer to randomly oriented, strongly magnetic basalt float. All three profiles show strong fluctuations |  | | Report (issue) | | of Lake Lahontan (fig. 2). Five sites were in outcrops below the Sehoo shoreline where incision exposed...the Walker Lake basin are there previously known outcrops of undisputed beach and shallow-water gravel at...bench-and-riser morphology between 1330 and 1400 m. Outcrops of pre-Eetza lacustrine sequences in the Walker...various lithologies lie as scattered lag on bedrock outcrops and also yield minimum shoreline elevations. Fine-grained...and beach pebbles locally occur as lag on basalt outcrops (fig. 4). No stratigraphic relations have been |  | | Journal (article/letter/editorial) | | by reference to associated, isotopically-dated basalt flows of the Sturgeon Volcanic Province. The oldest...its red and yellow earth soils are overlain by basalt flows of that age. The Prairie Plain is set below...Great Divide (Fig. 1; Stephenson et al 1980). These basalt ages provide maximum or minimum ages for some of...paper presents age determinations for a number of basalt flows that can be related in time to specific landforms...UPPER FLINDERS RIVER AREA, QLD ^ • H Cainozoic basalt Permian - Cretaceous sedimentary rocks of the |  | Sutthirat, C., Saminpanya, S., Droop, G. T. R., Henderson, C. M. B., Manning, D. A. C. (2001) Clinopyroxene-corundum assemblages from alkali basalt and alluvium, eastern Thailand: constraints on the origin of Thai rubies. Mineralogical Magazine, 65 (2) 277-295 doi:10.1180/002646101550253 | Journal (article/letter/editorial) | | Clinopyroxene-corundum assemblages from alkali basalt and alluvium, eastern Thailand: constraints on...was found in a clinopyroxene xenocryst in alkali basalt from the lateCenozoic Chanthaburi-Trat volcanics...ruby, clinopyroxene, pyrope, sapphirine, alkali basalt, Thailand, xenocryst. Introduction THAILAND is...Society of corundum grains embedded in host alkali basalt have been reported (Vichit et al., 1978; Vichit...Polachan et al., 1991, and Bunopas, 1992. Corundum and basalt localities from Vichit, 1992.) the last decade |  | | Report (issue) | | AND CENTRAL SAN FRANCISCO VOLCANIC FIELD COCONINO COUNTY, ARIZONA The Arizona Geological Society Fall Field...on-ramp. o."o 3.8 3.8 Roadcuts are Quaternary basalt flows and red pyroclastics from local vents. Pass...dolomite, on the · right and ahead between basalt outcrops. 18.9 2.8 Enter Garland Prairie, a broad...largely eroded Kaibab Formation with a veneer of basalt flows and alluvium. 21.7 0.3 Cross FR 24. 22...fed by dikes that intrude a continuous section of basalt flows a nd basaltic tuff overlying the Kaibab Formation |
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