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1

"Price Hub","Trade Date","Delivery Start Date","Delivery End Date","High Price $/MWh","Low Price $/MWh","Wtd Avg Price $/MWh","Daily Volume MWh","Number of Trades","Number of Companies"  

U.S. Energy Information Administration (EIA) Indexed Site

SP 15",39449,39450,39450,74.6,69.25,73.56,97200,234,36 SP 15",39449,39450,39450,74.6,69.25,73.56,97200,234,36 "SP 15",39450,39451,39452,70,63,68.49,291200,275,37 "SP 15",39451,39454,39454,75,68,69.2,140000,326,39 "SP 15",39454,39455,39455,73.25,69,71.52,144800,329,37 "SP 15",39455,39456,39456,72.25,70.25,71.32,198000,425,35 "SP 15",39456,39457,39457,73.75,70.75,72.79,157600,351,37 "SP 15",39457,39458,39459,70.25,67.25,68.46,226400,268,33 "SP 15",39458,39461,39461,75,73.25,73.77,184000,366,38 "SP 15",39461,39462,39462,78.25,75,75.77,110800,235,34 "SP 15",39462,39463,39464,88,77.5,79.42,323200,351,36 "SP 15",39463,39465,39466,79,74.25,77.52,259200,302,36 "SP 15",39464,39468,39468,84.45,77,82.35,126400,287,36

2

"Price Hub","Trade Date","Delivery Start Date","Delivery End Date","High Price $/MWh","Low Price $/MWh","Wtd Avg Price $/MWh","Change","Daily Volume MWh","Number of Trades","Number of Counterparties"  

U.S. Energy Information Administration (EIA) Indexed Site

54.55,54.05,54.37,1.9,8800,20,11 54.55,54.05,54.37,1.9,8800,20,11 "NP15","application/vnd.ms-excel","application/vnd.ms-excel","application/vnd.ms-excel",53.25,52.75,53.09,-1.28,35200,64,16 "NP15","application/vnd.ms-excel","application/vnd.ms-excel","application/vnd.ms-excel",52,51.25,51.51,-1.58,13600,28,17 "NP15","application/vnd.ms-excel","application/vnd.ms-excel","application/vnd.ms-excel",56.5,53.25,54.08,2.57,65600,71,17 "NP15","application/vnd.ms-excel","application/vnd.ms-excel","application/vnd.ms-excel",51.15,50.8,51.01,-3.07,27600,53,19 "NP15","application/vnd.ms-excel","application/vnd.ms-excel","application/vnd.ms-excel",50.75,50,50.18,-0.83,23200,39,11

3

"Price Hub","Trade Date","Delivery Start Date","Delivery End Date","High Price $/MWh","Low Price $/MWh","Wtd Avg Price $/MWh","Change","Daily Volume MWh","Number of Trades","Number of Counterparties"  

U.S. Energy Information Administration (EIA) Indexed Site

40.5,40.35,40.43,2.67,3200,8,3 40.5,40.35,40.43,2.67,3200,8,3 "NP15","application/vnd.ms-excel","application/vnd.ms-excel","application/vnd.ms-excel",41,40.85,40.97,0.54,2000,2,3 "NP15","application/vnd.ms-excel","application/vnd.ms-excel","application/vnd.ms-excel",36.25,36.25,36.25,-4.72,3200,1,2 "NP15","application/vnd.ms-excel","application/vnd.ms-excel","application/vnd.ms-excel",39.05,39,39.02,2.77,1200,2,2 "NP15","application/vnd.ms-excel","application/vnd.ms-excel","application/vnd.ms-excel",36.25,36.25,36.25,-2.77,3200,2,3 "NP15","application/vnd.ms-excel","application/vnd.ms-excel","application/vnd.ms-excel",36.75,36.5,36.63,0.38,1600,4,3

4

"Price Hub","Trade Date","Delivery Start Date","Delivery End Date","High Price $/MWh","Low Price $/MWh","Wtd Avg Price $/MWh","Change","Daily Volume MWh","Number of Trades","Number of Counterparties"  

U.S. Energy Information Administration (EIA) Indexed Site

31.9,30.75,31.02,,14000,34,10 31.9,30.75,31.02,,14000,34,10 "NP15","application/vnd.ms-excel","application/vnd.ms-excel","application/vnd.ms-excel",28.85,28,28.3,-2.72,52000,59,13 "NP15","application/vnd.ms-excel","application/vnd.ms-excel","application/vnd.ms-excel",31.5,31,31.22,2.92,20000,41,13 "NP15","application/vnd.ms-excel","application/vnd.ms-excel","application/vnd.ms-excel",34.25,33.4,33.8,2.58,22000,47,13 "NP15","application/vnd.ms-excel","application/vnd.ms-excel","application/vnd.ms-excel",30,29.75,29.9,-3.9,52800,54,16 "NP15","application/vnd.ms-excel","application/vnd.ms-excel","application/vnd.ms-excel",28.25,27.85,27.95,-1.95,48000,57,11

5

"Price Hub","Trade Date","Delivery Start Date","Delivery End Date","High Price $/MWh","Low Price $/MWh","Wtd Avg Price $/MWh","Change","Daily Volume MWh","Number of Trades","Number of Companies"  

U.S. Energy Information Administration (EIA) Indexed Site

SP-15 Gen DA LMP Peak",39904,39905,39905,30.85,30,30.44,"na",69200,129,16 SP-15 Gen DA LMP Peak",39904,39905,39905,30.85,30,30.44,"na",69200,129,16 "SP-15 Gen DA LMP Peak",39905,39906,39907,28.7,27.5,28.03,-2.41,119200,103,17 "SP-15 Gen DA LMP Peak",39906,39909,39909,31.5,30.25,30.5,2.47,43200,89,17 "SP-15 Gen DA LMP Peak",39909,39910,39910,33.3,32.45,32.83,2.33,40800,80,20 "SP-15 Gen DA LMP Peak",39910,39911,39912,29,28,28.69,-4.14,116000,117,22 "SP-15 Gen DA LMP Peak",39911,39913,39914,27.25,26.55,26.88,-1.81,96800,110,21 "SP-15 Gen DA LMP Peak",39912,39916,39916,28.5,27.5,28.01,1.13,58000,119,19 "SP-15 Gen DA LMP Peak",39916,39917,39917,26.65,25,26.27,-1.74,26400,51,17 "SP-15 Gen DA LMP Peak",39917,39918,39918,28.25,27.7,27.97,1.7,55600,101,20

6

"Price Hub","Trade Date","Delivery Start Date","Delivery End Date","High Price $/MWh","Low Price $/MWh","Wtd Avg Price $/MWh","Change","Daily Volume MWh","Number of Trades","Number of Companies"  

U.S. Energy Information Administration (EIA) Indexed Site

40182,40183,40183,52.5,51.5,51.85,0.9,67600,116,25 40182,40183,40183,52.5,51.5,51.85,0.9,67600,116,25 "SP-15 Gen DA LMP Peak",40183,40184,40184,51.75,50.5,51.01,-0.84,61600,115,25 "SP-15 Gen DA LMP Peak",40184,40185,40185,53,50.5,51.39,0.38,59600,115,24 "SP-15 Gen DA LMP Peak",40185,40186,40187,58.5,55,56.79,5.4,394400,381,29 "SP-15 Gen DA LMP Peak",40186,40189,40189,51.25,50.75,51,-5.79,59200,116,26 "SP-15 Gen DA LMP Peak",40189,40190,40190,50.25,49,49.8,-1.2,53600,102,25 "SP-15 Gen DA LMP Peak",40190,40191,40192,51.5,50.75,51.12,1.32,59200,61,19 "SP-15 Gen DA LMP Peak",40191,40193,40194,49,48.25,48.35,-2.77,77600,71,20 "SP-15 Gen DA LMP Peak",40192,40196,40196,50.5,50,50.3,1.95,38800,71,18 "SP-15 Gen DA LMP Peak",40193,40197,40197,51.35,50,50.93,0.63,66800,84,19

7

"Price Hub","Trade Date","Delivery Start Date","Delivery End Date","High Price $/MWh","Low Price $/MWh","Wtd Avg Price $/MWh","Change","Daily Volume MWh","Number of Trades","Number of Counterparties"  

U.S. Energy Information Administration (EIA) Indexed Site

1246,41247,41247,44.25,43.5,43.87,2.68,16400,29,14 1246,41247,41247,44.25,43.5,43.87,2.68,16400,29,14 "SP-15 Gen DA LMP Peak",41247,41248,41248,43,42,42.36,-1.51,36800,59,23 "SP-15 Gen DA LMP Peak",41248,41249,41249,40.25,39.75,40,-2.36,17200,24,11 "SP-15 Gen DA LMP Peak",41249,41250,41251,37,36.5,36.56,-3.44,31200,28,13 "SP-15 Gen DA LMP Peak",41250,41253,41253,41.25,40,40.84,4.28,12000,26,16 "SP-15 Gen DA LMP Peak",41253,41254,41254,39.5,38.5,39.08,-1.76,12400,26,15 "SP-15 Gen DA LMP Peak",41254,41255,41255,39.45,39,39.11,0.03,15600,26,13 "SP-15 Gen DA LMP Peak",41255,41256,41256,43.75,42,43.02,3.91,16000,32,20 "SP-15 Gen DA LMP Peak",41256,41257,41258,43,40.5,42.17,-0.85,38400,32,18 "SP-15 Gen DA LMP Peak",41257,41260,41260,42,41.5,41.62,-0.55,6400,10,11

8

851 S.W. Sixth Avenue, Suite 1100 Steve Crow 503-222-5161 Portland, Oregon 97204-1348 Executive Director 800-452-5161  

E-Print Network [OSTI]

and BPA--will explain why the project was undertaken, why it took seven years to bring it to fruition/Vantage Substation north through Wenatchee to Wells Dam Parties involved in the Joint Project 2 #12;3 #12;Timeline 2004 BPA identifies North Mid-C constraints 2006 NW Power Pool South Mid-C Study 2008 Columbia

9

Surfactant loss control in chemical flooding: Spectroscopic and calorimetric study of adsorption and precipitation on reservoir minerals. Quarterly technical progress report, January 1, 1994--March 31, 1994  

SciTech Connect (OSTI)

Since surfactants are often present as mixtures, effort is being made to understand the synergetic and competitive forces involving determining adsorption of surfactants from their mixtures. Adsorption of tetradecyl trimethyl ammonium chloride (TTAC) and polyethoxylated nonyl phenol (NP-15) surfactant mixture at the alumina-water interface was studied during this reporting period. It was found that the nonionic surfactant NP-15 does not adsorb on alumina by itself, but was forced to adsorb by cationic TTAC. The adsorption density and the nature of adsorption isotherm of NP-15 were markedly dependent upon the quantity of TTAC present in the mixture and the procedure of surfactant addition. In the low concentration range the adsorption of both TTAC and NP-15 was enhanced by coadsorption, but in the high concentration range the adsorption of TTAC was depressed due to the competitive adsorption and steric hindrance. Electrokinetic behavior of alumina suspensions was also monitored along with the adsorption in order to delineate the role of electrostatic force in determining the mechanism of adsorption. Surface tension of surfactant mixtures before and after adsorption was measured to obtain information needed for developing mechanisms.

Somasundaran, P.

1994-05-31T23:59:59.000Z

10

Fundamental Drivers of Pacific Northwest Power Markets  

E-Print Network [OSTI]

, utilities, power marketers, investors, and others on wholesale electricity and natural gas markets. Experts Load Transmission Thermal Hydro Wind (2005) #12;Natural Gas Capacity 6 5,000 MW of Natural Gas;Natural Gas Power Plant Production is Significantly Down 2010 to 2012 13 #12;Mid C Peak Heat Rates 14

11

Microsoft PowerPoint - MISO-SPP Market Impacts HydPwrConf 2014  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

Changing Energy Markets- Effects of Day 2 and Real Time Markets in the S th t P P l d Mid C ti t I d d t S t O t Southwest Power Pool and Mid-Continent Independent System Operator...

12

851 S.W. Sixth Avenue, Suite 1100 Steve Crow 503-222-5161 Portland, Oregon 97204-1348 Executive Director 800-452-5161  

E-Print Network [OSTI]

Gas-fired Units Contracts Hydro Wind NUGs Mid-C Transmission Available Dec Peak Load + 15.7% PM + Op Reserves Low Dec Peak Load + 15.7% PM + Op Reserves High Dec Peak Load + 15.7% PM + Op Reserves 917 MW 1

13

Avista 2011 Integrated Resource Plan Clint Kalich  

E-Print Network [OSTI]

SM "Avista Portfolio" Efficient Frontier Fuel Prices Fuel Availability Resource Availability Demand Emission Effective T&D Projects/Costs Cost Effective Conservation Measures/Costs Mid-Columbia Prices Stochastic Scenarios: Change to Monthly Average Mid-C Prices #12;- 200 400 600 800 1,000 1,200 1,400 1,600 Expected

14

ANNUAL REVIEW FACTSHEET WORKFLOW  

E-Print Network [OSTI]

that the PhD has updated his T&SP (15. Second annual review). The PhD and the Promotor have to plan a date for the second annual review and the PhD has to enter that date in ProDoc (20 Date second annual review plannedANNUAL REVIEW FACTSHEET WORKFLOW PhD Candidate / Promotor / Dean / TGS / Doctorate Board / Pro

Twente, Universiteit

15

Solar neutrinos and the solar composition problem  

E-Print Network [OSTI]

Standard solar models (SSM) are facing nowadays a new puzzle: the solar composition problem. New determinations of solar metal abundances lead SSM calculations to conflict with helioseismological measurements, showing discrepancies that extend from the convection zone to the solar core and can not be easily assigned to deficiencies in the modelling of the solar convection zone. We present updated solar neutrino fluxes and uncertainties for two SSM with high (old) and low (new) solar metallicity determinations. The uncertainties in iron and carbon abundances are the largest contribution to the uncertainties of the solar neutrino fluxes. The uncertainty on the ^14N+p -> ^15O+g rate is the largest of the non-composition uncertainties to the CNO neutrino fluxes. We propose an independent method to help identify which SSM is the correct one. Present neutrino data can not distinguish the solar neutrino predictions of both models but ongoing measurements can help to solve the puzzle.

Carlos Pena-Garay; Aldo Serenelli

2008-11-16T23:59:59.000Z

16

Publisher's Note: Asymptotic normalization coefficients for N-14+p -> O-15 and the astrophysical S factor for N-14(p,gamma)O-15 (vol 67, art no 065804, 2003)  

E-Print Network [OSTI]

Publisher?s Note: Asymptotic normalization coefficients for 14N?p\\15O and the astrophysical S factor for 14N?p ,g?15O ?Phys. Rev. C 67, 065804 ?2003?? A. M. Mukhamedzhanov, P. Be?m B. A. Brown, V. Burjan, C. A. Gagliardi, V. Kroha, J. Nova?k, F.... M. Nunes, S? . Piskor?, F. Pirlepesov, E. S?imec?kova?, R. E. Tribble, and J. Vincour ~Received 26 June 2003; published 23 July 2003! DOI: 10.1103/PhysRevC.68.019901 PACS number~s!: 26.20.1f, 21.10.Jx, 25.55.Hp, 27.20.1n, 99.10.Fg This paper...

Mukhamedzhanov, AM; Bem, P.; Brown, BA; Burjan, V.; Gagliardi, Carl A.; Kroha, V.; Novak, J.; Nunes, FM; Piskor, S.; Pirlepesov, F.; Simeckova, E.; Tribble, Robert E.; Vincour, J.

2003-01-01T23:59:59.000Z

17

Transient queueing approximations for computer networks  

E-Print Network [OSTI]

24. te 15. 4 IN IJ N \\2. 0. 15. 30. 45. SO. 75. 90. 7laa. aec. 0. 10. 20. 30. ~ 0. 50. TIae, aec. A. TYPE f: RHO = 0. 7, Np 0 B TYPE 2 RHO 0 9 NO= 5 15. 4. 4 4 N S. al M M 2 N 4. 5 4 al O S. 12. Cl 4 ta 9. ! al el 12. N... te I N 3. 0. 0. 10. 20. 30 40. 50. 50. Tlae. lec. 0. 0. 10. 20. 30. 40. Tlat, aec. C, TYPE 3: RHO 0. 6, Np= 5 D. TYPE 4: RHO = 0. 2, Np= 15 Figure i: Four types of stationary ii//if//i queue behavior 28 If the probability of being...

Baker, William A.

2012-06-07T23:59:59.000Z

18

Delivery of cationic polymer-siRNA nanoparticles for gene therapies in neural regeneration  

SciTech Connect (OSTI)

Highlights: Black-Right-Pointing-Pointer Nogo receptor can inhibit growth of injured axons, thus affecting neural regeneration. Black-Right-Pointing-Pointer The delivery of siRNA is crucial to inhibit NgR expression in NSCs. Black-Right-Pointing-Pointer Non-viral vector PEG-PEI condensed siRNA targeting NgR into nanoscale particles. Black-Right-Pointing-Pointer PEG-PEI/siRNA at N/P = 15 displayed high transfection efficiency and low cytotoxicity. Black-Right-Pointing-Pointer PEG-PEI has great potential in carrying siRNA to diminish the gene expression in NSCs. -- Abstract: The therapeutic applications of neural stem cells (NSCs) have potential to promote recovery in many obstinate diseases in central nervous system. Regulation of certain gene expressions using siRNA may have significant influence on the fate of NSC. To achieve the optimum gene silencing effect of siRNA, non-viral vector polyethylene glycol-polyethyleneimine (PEG-PEI) was investigated in the delivery of siRNA to NSCs. The characteristics of PEG-PEI/siRNA polyplexes were detected by scanning electron microscopy (SEM). The effects of nanoparticles on cell viability were measured via CCK-8 assay. In addition, the transfection efficiency was evaluated by fluorescence microscope and flow cytometry, and real-time PCR and Western Blot were employed to detect the gene inhibition effect of siRNA delivered by PEG-PEI. The SEM micrographs showed that PEG-PEI could condense siRNA to form diffuse and spherical nanoparticles. The cytotoxicity of PEG-PEI/siRNA nanocomplexes (N/P = 15) was significantly lower when compared with that of Lipofectamine 2000/siRNA (P < 0.05). Moreover, the highest transfection efficiency of PEG-PEI/siRNA nanoparticles was obtained at an N/P ratio of 15, which was better than that achieved in the transfection using Lipofectamine 2000 (P < 0.05). Finally, the gene knockdown effect of PEG-PEI/siRNA nanoparticles was verified at the levels of mRNA and protein. These results suggest that PEG-PEI may potentially be used as a siRNA delivery vector for neural regeneration therapy.

Liang, Yanran [Department of Neurology, Sun Yat-Sen Memorial Hospital of Sun Yat-Sen University, No. 107, West Yanjiang Road, Guangzhou 510120, People's Republic of China (China)] [Department of Neurology, Sun Yat-Sen Memorial Hospital of Sun Yat-Sen University, No. 107, West Yanjiang Road, Guangzhou 510120, People's Republic of China (China); Liu, Zhonglin, E-mail: zhonglinliu@126.com [Department of Neurology, Sun Yat-Sen Memorial Hospital of Sun Yat-Sen University, No. 107, West Yanjiang Road, Guangzhou 510120, People's Republic of China (China)] [Department of Neurology, Sun Yat-Sen Memorial Hospital of Sun Yat-Sen University, No. 107, West Yanjiang Road, Guangzhou 510120, People's Republic of China (China); Shuai, Xintao; Wang, Weiwei [School of Chemistry and Chemical Engineering, Sun Yat-Sen University, Guangzhou 510275, People's Republic of China (China)] [School of Chemistry and Chemical Engineering, Sun Yat-Sen University, Guangzhou 510275, People's Republic of China (China); Liu, Jun [Department of Neurology, Sun Yat-Sen Memorial Hospital of Sun Yat-Sen University, No. 107, West Yanjiang Road, Guangzhou 510120, People's Republic of China (China)] [Department of Neurology, Sun Yat-Sen Memorial Hospital of Sun Yat-Sen University, No. 107, West Yanjiang Road, Guangzhou 510120, People's Republic of China (China); Bi, Wei [Department of Neurology, The First Affiliated Hospital of Jinan University, No. 613, West Huangpu Road, Guangzhou 510630, People's Republic of China (China)] [Department of Neurology, The First Affiliated Hospital of Jinan University, No. 613, West Huangpu Road, Guangzhou 510630, People's Republic of China (China); Wang, Chuanming; Jing, Xiuna; Liu, Yunyun [Department of Neurology, Sun Yat-Sen Memorial Hospital of Sun Yat-Sen University, No. 107, West Yanjiang Road, Guangzhou 510120, People's Republic of China (China)] [Department of Neurology, Sun Yat-Sen Memorial Hospital of Sun Yat-Sen University, No. 107, West Yanjiang Road, Guangzhou 510120, People's Republic of China (China); Tao, Enxiang, E-mail: taoenxiang@yahoo.com.cn [Department of Neurology, Sun Yat-Sen Memorial Hospital of Sun Yat-Sen University, No. 107, West Yanjiang Road, Guangzhou 510120, People's Republic of China (China)] [Department of Neurology, Sun Yat-Sen Memorial Hospital of Sun Yat-Sen University, No. 107, West Yanjiang Road, Guangzhou 510120, People's Republic of China (China)

2012-05-18T23:59:59.000Z

19

Decay of the resonantly excited states of atomic Kr  

Science Journals Connector (OSTI)

The 3p-1?5s1 resonant excitation energy and decay width of Kr atoms are calculated by an ab initio Greenís-function method. The dipolar relaxation energy shift of the 3p-1?5s1 resonantly excited state of Kr atoms is predominantly due to the 3p-15s1?3d-25s1?f super-Coster-Kronig (sCK) spectator decay process. The calculated excitation energies are overestimated by about 1.0 eV. The decay widths for 3p1/2-1?5s1 and 3p3/2-1?5s1 resonantly excited states are 2.08 and 1.88 eV, respectively. They are larger than the decay widths of the 3p1/2-1 and 3p3/2-1 core-level ionized states. The increase of the decay width is a result of the decrease of 3p-15s1?3d-25s1?f sCK spectator decay and the increase of 3p-15s1?3d-14s(p)-15s1?p(d) CK spectator decay. The changes of the (s)CK decay rates are due to the screening of the final two-hole-state potential by the resonantly excited 5s electron.

Masahide Ohno

1995-02-01T23:59:59.000Z

20

Data:5d9d24ff-e250-409a-8757-66fb959a8b19 | Open Energy Information  

Open Energy Info (EERE)

d24ff-e250-409a-8757-66fb959a8b19 d24ff-e250-409a-8757-66fb959a8b19 No revision has been approved for this page. It is currently under review by our subject matter experts. Jump to: navigation, search Loading... 1. Basic Information 2. Demand 3. Energy << Previous 1 2 3 Next >> Basic Information Utility name: PUD No 2 of Grant County Effective date: 2010/01/01 End date if known: Rate name: RATE SCHEDULE No. 94 NEW LARGE LOAD SERVICE Sector: Commercial Description: APPLICABILITY: To all New Large Loads, as defined by the District's Customer Service Policies. Service to such loads will be in accordance with the terms of this rate schedule. EFFECTIVE:With meter readings on and after January 1, 2010. Bills received by the customers will be based on the following: MONTHLY BILLING: Customer's monthly billing will consist of the following energy charge: TheCustomer's monthly energy charge shall be the greater of: the "Weighted Average Index Price" reflected by the Intercontinental Exchange (ICE) Daily Power Indices for theMid C at peak and off-peak for the month or the largest energy block on Rate Schedule 15.- Large Industrial Service , plus a 5% premium. The "Weighted Average Index Price" shall mean the Intercontinental Exchange (ICE) Daily Power Indices for the Mid-C prices for power traded for peak hours 0600 through 2200 Pacific Prevailing Time (PPT) for Monday through Saturday multiplied by the number of peak hours during the applicable month plus the average price of power traded for off-peak hours 2200 through 0600 PPT for Monday through Saturday multiplied by the number of off-peak hours for the applicable month plus the average price of power traded for the 24 off-peak hours for Sundays and Holidays (as observed by the National Energy Regulatory Commission) during each month multiplied by the number of Sunday and Holiday hours for the applicable month all divided by the total number of hours in the applicable month. TAXADJUSTMENT: The amounts of any tax levied by any city or town, in accordance with RCW 54.28.070 of the Laws of the State of Washington, will be added to the above charges. SERVICE: Service under this Schedule is subject to the terms and conditions in the District's Customer Service Policies, as the same may be amended from time to time.

Note: This page contains sample records for the topic "mid-c sp-15 np-15" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


21

The sequence stratigraphy of the latest Cretaceous sediments of northern Wyoming: The interplay of tectonic and eustatic controls on foreland basin sedimentation  

SciTech Connect (OSTI)

A west-east chronostratigraphic correlation has been made of the latest Cretaceous sediments of northern Wyoming. Five sections from Jackson Hole to Red Bird have been dated magnetostratigraphically (C34N-C26R) and radiometrically (81-68 Ma), and integrated with the ammonite biostratigraphy of the Niobrara and Pierre Shale. Four major sequence surfaces have been identified in section and the time missing within the unconformities has been measured and traced laterally. These bounding unconformities define six alloformations. The lowest straddles the C34N/C33R chronic boundary and contains the Cody, Telegraph Creek and Eagle Fms. The second ranges from the mid- to upper part of C33N of C32R and contains the Claggett and Judith River/Mesaverde Fms. The third (C32R ) is the Teapot Sandstone Member of the Mesaverde Fm. The fourth extends from the lower to upper part of C32N or to mid-C31R and includes the Bearpaw Shale and Meeteetse Fm. The fifth extends from C31N to C30N or C29N and includes the Harebell and Lance Fms. The base of the uppermost alloformation has been identified within C26R in the uppermost alloformation has been identified within C26R in the lowermost Fort Union. The unconformable surfaces are angular adjacent to the Sevier Thrust Belt but form paraconformities or hiatuses in the marine units to the east. The unconformities are eustatically controlled throughout the Campanian, but become tectonically driven in the Maastrichtian with the onset of rapid foredeep subsidence in Jackson Hole, and forebulge uplift in the Bighorn and Wind River Basin region which correlates exactly to the rapid regression of the Bearpaw Sea from the area in the range of Baculites clinolobatus.

Hicks, J.F. (Yale Univ., New Haven, CT (United States). Dept. of Geology); Tauxe, L. (Scripps Institution of Oceanography, LaJolla, CA (United States))

1992-01-01T23:59:59.000Z