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Articles 811 - 840 of 19480
Full-Text Articles in Earth Sciences
Mgrre_Thinsections_Mgrre-137_19, Mgrre
Mgrre_Thinsections_Mgrre-137_22, Mgrre
Mgrre_Thinsections_Mgrre-137_33, Mgrre
Mgrre_Thinsections_Mgrre-137_34, Mgrre
Mgrre_Thinsections_Mgrre-137_39, Mgrre
Mgrre_Thinsections_Mgrre-137_44, Mgrre
Mgrre_Thinsections_Mgrre-137_52, Mgrre
Mgrre_Thinsections_Mgrre-137_59, Mgrre
Mgrre_Thinsections_Mgrre-137_75, Mgrre
Mgrre_Thinsections_Mgrre-138_10, Mgrre
Mgrre_Thinsections_Mgrre-139_16, Mgrre
Mgrre_Thinsections_Mgrre-137_70, Mgrre
Mgrre_Thinsections_Mgrre-139_5, Mgrre
Mgrre_Thinsections_Mgrre-139_53, Mgrre
Mgrre_Thinsections_Mgrre-138_31, Mgrre
Mgrre_Thinsections_Mgrre-138_51, Mgrre
Mgrre_Thinsections_Mgrre-138_69, Mgrre
Mgrre_Thinsections_Mgrre-138_72, Mgrre
Mgrre_Thinsections_Mgrre-138_91, Mgrre
Mgrre_Thinsections_Mgrre-139_1, Mgrre
Mgrre_Thinsections_Mgrre-139_19, Mgrre
Mgrre_Thinsections_Mgrre-139_25, Mgrre
Mgrre_Thinsections_Mgrre-139_52, Mgrre
Mgrre_Thinsections_Mgrre-139_74, Mgrre
Mgrre_Thinsections_Mgrre-139_82, Mgrre
A Study Of The Stratigraphic And Petrological Characteristics Of Section (10,323-10,325 Ft), Prevost 1- 11, Bay County, Michigan, Hajir Al Harthi
A Study Of The Stratigraphic And Petrological Characteristics Of Section (10,323-10,325 Ft), Prevost 1- 11, Bay County, Michigan, Hajir Al Harthi
Honors Theses
This study presents a detailed petrological characterization of a short core section (10,323-10,325 ft) from the Prevost 1-11, Bay County, Michigan. This work is part of a broader carbon capture, utilization, and storage (CCUS) project to determine whether the Glenwood Formation could be an effective confining unit (CU) for carbon dioxide (CO2) injection in the underlying St. Peter Sandstone. The methods used to collect petrological data include standard core description, Xray fluorescence spectroscopy (XRF), powder X-ray diffraction (XRD), thin section microscopy, and scanning electron microscopy (SEM) including backscattered electron (BSE), energydispersive X-ray spectroscopy (EDS), and secondary electron (SE) modes. These …
Understanding The Fluid Source During Alteration Of Former Oceanic Lithosphere In The Polygenetic Ingalls Ophiolite Complex, Washington, Usa, Zachary Russell Stevens
Understanding The Fluid Source During Alteration Of Former Oceanic Lithosphere In The Polygenetic Ingalls Ophiolite Complex, Washington, Usa, Zachary Russell Stevens
Masters Theses
The Ingalls Ophiolite Complex is an ophiolite of Jurassic age in central WA, USA. Much of the complex formed in a supra-subduction zone setting in a back-arc ocean basin during subduction of the Farallon plate beginning 192 Ma. Between formation and obduction, mafic and ultramafic lithologies experienced alteration in the presence of water, which previous studies inferred to be seawater. Previously published δ¹⁸O and δD data from the Ingalls indicates isotopic depletion possibly caused by interaction with meteoric water at current latitude (~47.5 °N). The current study reports new δD, δ¹⁸O, and Δ ′¹⁷O measurements from mafic and ultramafic lithologies …
Pfas In Naturally Occurring Surface Water Foams, Donovan S. Vitale
Pfas In Naturally Occurring Surface Water Foams, Donovan S. Vitale
Masters Theses
Surface Water Foam (SWF) and underlying Surface Water (SW) were collected from six distinct sites across Michigan using a novel sampling device. PFAS were detected in all SWF samples with total PFAS concentrations (Σ41 compounds, n=14) varying widely from 2,693 to 402,172 ng/L .SWF samples were enriched in high and intermediate molecular volume PFAS relative to SW samples (n=10) which were dominated by low molecular volume, short-chain PFAS with total PFAS concentrations ranging from 4.4 to 31 ng/L. Wet and dry SWFs were distinguished by appearance, liquid content, and PFAS composition. Dry SWFs had higher total PFAS concentrations than wet …
Mgrre_Geolog_Collections Weber, Harry B 1 21011286290000, Mgrre Western Michigan University
Mgrre_Geolog_Collections Weber, Harry B 1 21011286290000, Mgrre Western Michigan University
Geolographs
No abstract provided.
Mgrre_Geolog_Collections Crowley, Orville 1 21037290830000, Mgrre Western Michigan University
Mgrre_Geolog_Collections Crowley, Orville 1 21037290830000, Mgrre Western Michigan University
Geolographs
No abstract provided.