Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
Results
Showing 1 to 9 of 9 for “"Ironstone"”.
-
Geochemical Analysis of Ironstone Preserved Molluscan Fossils of the Hell Creek Formation (Cretaceous) and Ludlow Member of the Fort Union Formation (Paleogene) of Southwestern North Dakota
… Montana and western North Dakota produce ironstone preserved freshwater molluscan fossils. Ironstone preserved mollusks are associated with ironstone nodules, which have been described as composed of iron carbonate, iron oxide, or manganese oxide by various researchers. To date, the exact …
-
The Aptian-Albian ironstone of the Rapid Creek formation, Little Fish Creek, NWT: implications for Cretaceous Ocean Anoxic Events and critical mineral deposits
… Rapid Creek formation is a phosphatic ironstone located in the northern Yukon and Northwest Territories in the Richardson Mountains. Ironstones are Phanerozoic, Fe-rich, marine chemical sedimentary rocks. Metalliferous sediment accumulation occurred in a region of the Sevier foreland …
-
Sediment dynamics on Wemyss beach, South Fife
… were 'rejected' from the bedload layer of ironstone and sandstone pebbles, and were transported to extreme distances alongshore and potentially offshore. Whereas, the high specific gravity of the ironstone pebbles restricted longshore transport, but enhanced movement in the backwash to low …
-
Coal mining on a Yorkshire estate: land ownership and personal capitalism, 1850-1914.
… This plan was overtaken by the discovery of ironstone on the Lincolnshire property, and the thesis investigates the Winns’ rationale for leasing the stone rather than mining it on their own account. The ironstone generated a rapid and growing income and, building on this success, the Winns …
-
REGIONAL STRESS REGIME STUDY OF EAST TEXAS BASED ON ORIENTATION OF FRACTURES IN THE WECHES FORMATION
… during erosion. Crosscutting relationships with ironstone layers, a late diagenetic feature in the Weches Formation, indicate joints formed close to the surface during exhumation. Orientation data of 540 fractures from 14 different outcrops show three main joint sets: N75-85W, N75-85E, and N40E. …
-
Industrial archaeology of Fife 1790-1914
… the exploitation of the meagre resources of ironstone and the plentiful supplies of limestone. A detailed study is made of the limestone industry, its seasonal nature and the community and ancillary activities which evolved at its biggest centre, the village of Charlestown. Chapter 5 is …
-
Etude géologique du Sous-groupe de Mpioka dans le massif de Nionga. (Bas-congo, RDC)
… massif. Apart from the neoformations chloritic, ironstone, and calcite, quartz sediments of the Mpioka subgroup come from erosion of metamorphic rocks, very rugged, Transmazonien and Kimezien. <br />Correlated with the Pi of the subgroup of Mpioka term in Bungo basin (Angola), this sub-group …
-
Geology and characterization of coal at the Mushithe Coal Occurrence, Soutpansberg Coalfield, Limpopo Province, South Africa
… in the study area: sandstone, mudstone, ironstone, calcrete, shale, quartzite, quartz vein with a general strike direction to the north-east. The host rocks including coal were intruded by dolerite dykes and this resulted in the devolatilization of coal. The current study concluded that …