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In Hancock County, Maine, a small mineralized fine-grained granite lies at the southeast portion of the felsic Lucerne pluton, near the contact with the Blue Hill pluton. The Cambro-Ordovician, chlorite-rich Ellsworth schist occurs to the north and south of the younger fine-grained granite and is the host to many sulfide deposits within the region. Within the study area the fine-grained granite and the Ellsworth schist have been contact metamorphosed by the Devonian age Lucerne. The fine-grained granite is a quartz-rich, leucocratic, two-mica, two-feldspar granitoid. It is marked by the presence of 1) sulfides (pyrrhotite, pyrite, loellingite, arsenopyrite, chalcopyrite, and sphalerite) 2) volatile-rich phases such as muscovite, tourmaline, apatite, and chlorite, and 3) high-temperature anhydrous phases such as andalusite and fibrolite. Feldspars have been partially altered to muscovite, and biotite has partially altered to chlorite. Sulfides and tourmaline appear to have formed late in the crystallization sequence. Prior to the intrusion of the Lucerne the fine-grained granite probably cooled to a maximum temperature of about 600°C, and crystallized to form feldspar, biotite, quartz, and muscovite. Andalusite and sillimanite probably formed when the Lucerne intruded; at about 650-725°C and about 1-2 kilobars. Quartz, muscovite, tourmaline and sulfides probably formed during subsequent cooling. Feldspar composition indicate reequilibration with a fluid at about 400°C. Dehydration reactions within the Ellsworth schist probably resulted in the release of metal bearing fluids from the Ellsworth schist and redeposition into the adjacent fine-grained granite. / M.S.

No description available.

No description available.

The Lucerne pluton intrudes rocks of the Penobscot formation Ordovician-Silurian (?)), a quartz-rich sulfidic pelite that contains muscovite, biotite, cordierite, andalusite, plagioclase, pyrrhotite and graphite outside the thermal aureole; and the Bucksport formation (=Vassalboro, Silvian-Devonian (?)), a calcareous, quartzofeldspathic pelite that contains chlorite, biotite, celadonitic muscovite, albite, and ilmenite outside the Lucerne aureole. Within the aureole, the Penobscot formation contains K-feldspar plus andalusite as the result of muscovite reaction with quartz. Corundum occurs at the immediate contact of the granite from the. reaction of the remaining muscovite. The Bucksport formation is recrystallized within the aureole to a purple and green gneiss. The gneissic banding is not present in the low grade calcareous rocks, and represents the segregation of biotite-rich and calc-silicate-rich bands. Vertical or sleepy dipping, the banding parallels both the regional strike and the intrusive contact, and is probably the result of both mechanical and chemical effects. The following sequence of assemblages (+ quartz) is found in the calcareous portions of the Bucksport formation as the Lucerne contact is approached: a) chl + bio + musc + cc + albite; b) bio + cc + plag (An₂₅₋₃₃); c) actinolite + cc + K-feldspar + plag (An₄₀); d) diopside + zoisite + sphene +cc+ plag (An₈₅₋₉₀). Interbedded pelites contain biotite + quartz + plagioclase + pyrite with corundum occurring at the igneous contact in quartz free beds. The mineral assemblages in the Lucerne aureole indicate a lithostatic pressure between 1000 and 3000 bars during metamorphism with temperatures between 700°C and 450°C. Isobaric univariant assemblages in the calc-silicate beds indicate buffering of H₂O/CO₂ fluids produced by prograde reactions. H₂O rich fluids that produced zoisite were probably associated with late stage crystallization of the Lucerne. / Master of Science

Indiana University-Purdue University Indianapolis (IUPUI) / The primary objective of this research involves mapping out and validating the existence of sub surface drainage tiles in a given cropland using Remote Sensing and GIS methodologies. The process is dependent on soil edge differentiation found in lighter versus darker IR reflectance values from tiled vs. untiled soils patches. Data is collected from various sources and a primary classifier is created using secondary field variables such as soil type, topography and land Use and land cover (LULC). The classifier mask reduces computational time and allows application of various filtering algorithms for detection of edges. The filtered image allows an efficient feature recognition platform allowing the tile drains to be better identified. User defined methods and natural vision based methodologies are also developed or adopted as novel techniques for edge detection. The generated results are validated with field data sets which were established using Ground Penetration Radar (GPR) studies. Overlay efficiency is calculated for each methodology along with omission and commission errors. This comparison yields adaptable and efficient edge detection techniques which can be used for similar areas allowing further development of the tile detection process.

Thomas Ford was the governor of Illinois at the time of Joseph and Hyrum Smiths’ martyrdoms in Carthage Jail in 1844. Before his tenure as governor, Ford’s professional life included service as an attorney and judge throughout Illinois. His background in the legal field gave him a unique perspective which may have influenced his career as governor of Illinois from 1842-1846. Although Governor Ford is relatively well-known for his association with The Church of Jesus Christ of Latter-day Saints and its history, his background and the bearing it had on the martyrdom of the Smiths has received relatively little attention from scholars. In this thesis I contend that Governor Ford’s choices in Carthage, Illinois can be traced in some ways to his legal background. I also examine his earliest interactions with Joseph Smith in 1842-1843, and how those interactions may have also been influenced by Ford’s legalistic viewpoints. I suggest it is possible Ford’s legal background more than his political experience may have had the most bearing on those interactions. Chapter one summarizes some of the financial, political, and mobocratic difficulties citizens in Illinois dealt with in the late 1830s and early 1840s. This context shows that even before Ford’s election in 1842, Illinois had severe challenges that affected the Saints and their neighbors. Chapter two explores some of the legal cases Ford heard while serving on the Illinois bench and bar. This chapter investigates the unique balance Ford attempted to maintain between law and justice, while also suggesting Ford may have occasionally strayed from consistently following the law. In chapter three, Ford’s transition into a political figure in Illinois history, as well as his extensive interactions with Smith are analyzed. Throughout these interactions, Ford seemed to frequently rely on his background in law to help him make decisions about Smith. This analysis is continued in chapter four when Ford chose to intervene in Hancock County after the Nauvoo Expositor printing press was destroyed. This chapter systematically relates Ford’s previous legal cases to the specific choices he made in Carthage. As a conclusion, chapter five serves to summarize these findings, and also opens further opportunities for research that demonstrate how Ford’s interactions with the Saints in Illinois may have continued to be affected by his past. This thesis provides research suggesting Ford’s choices surrounding the Smiths in Hancock County can be traced to his past and should not necessarily be considered isolated events in 1844. Furthermore, it adds to our understanding of church history by giving another paradigm in which to examine the martyrdom of Joseph Smith in Carthage Jail.