Location: Sciences Library Library- QE149.E37 no.8 1975

Location: Sciences Library Library- QE149.E37 no.8 1980

Location: Sciences Library Library- QE149.E37 no.9 1975

Location: Sciences Library Library- QE149.E37 no.9 1980

Location: Sciences Library Library- QE149.E37 no.16 1983

Location: Sciences Library Library- QE149.E37 no.17 1988

Location: Sciences Library Library- QE149.E37 no.18 1988

Location: Sciences Library Library- QE149.E37 no.19 1988

Location: Sciences Library Library- QE149.E37 no.20 1988

Re-release; Duffell, S; Souther, J G. 329, 1964, 131 pages (3 sheets), https://doi.org/10.4095/100553

Re-release; Ermanovics, I F. 69-42, 1970, 33 pages (2 sheets), https://doi.org/10.4095/102301

Re-release; Gabrielse, H. 75-33, 1975, 28 pages (2 sheets), https://doi.org/10.4095/102605

Re-release; Richard, S H. 1976, 1 sheet, https://doi.org/10.4095/129465
<a href="https://geoscan.nrcan.gc.ca/images/geoscan/of0363.jpg"><img src="https://geoscan.nrcan.gc.ca/images/geoscan/of0363.jpg" title=" 1976, 1 sheet, https://doi.org/10.4095/129465" height="150" border="1" /></a>

Re-release; Dodds, C J; Campbell, R B. 1992, 85 pages (1 sheet), https://doi.org/10.4095/133475
<a href="https://geoscan.nrcan.gc.ca/images/geoscan/gscof_2189_e_1992_mn01.jpg"><img src="https://geoscan.nrcan.gc.ca/images/geoscan/gscof_2189_e_1992_mn01.jpg" title=" 1992, 85 pages (1 sheet), https://doi.org/10.4095/133475" height="150" border="1" /></a>

Re-release; Dodds, C J; Campbell, R B. 1992, 85 pages (1 sheet), https://doi.org/10.4095/133474
<a href="https://geoscan.nrcan.gc.ca/images/geoscan/gscof_2188_e_1992_mn01.jpg"><img src="https://geoscan.nrcan.gc.ca/images/geoscan/gscof_2188_e_1992_mn01.jpg" title=" 1992, 85 pages (1 sheet), https://doi.org/10.4095/133474" height="150" border="1" /></a>

Earley, Christina, author

Smithsonian Institution Libraries has recently acquired a rare first edition of Darwin's Geological Observations on the Volcanic Islands, Visited During the Voyage of the H.M.S. Beagle.

The post With 1844 first edition, Smithsonian Libraries completes its collection of Charles Darwin’s three-volume geology series appeared first on Smithsonian Insider.

If you want to save Earth, argues a new book, quit sitting around in the present hoping for the best and learn to think really long term, like a geologist

We present a review of the Chang 7 Member oil shale, which occurs in the middle–late Triassic Yanchang Formation of the Ordos Basin in central north China. The oil shale has a thickness of 28 m (average), an area of around 30 000 km² and a Ladinian age. It is mainly brown-black to black in colour with a laminar structure. It is characterized by average values of 18 wt% TOC (total organic carbon), 8 wt% oil yield, a 8.35 MJ kg^–1 calorific value, 400 kg t^–1 hydrocarbon productivity and kerogen of type I–II₁, showing a medium quality. On average, it comprises 49% clay minerals, 29% quartz, 16% feldspar and some iron oxides, which is close to the average mineral composition of global shale. The total SiO₂ and Al₂O₃ comprise 63.69 wt% of the whole rock, indicating a medium ash type. The Sr/Ba is 0.33, the V/Ni is 7.8, the U/Th is 4.8 and the FeO/Fe₂O₃ is 0.5, indicating formation in a strongly reducing, freshwater or low-salinity sedimentary environment. Multilayered intermediate-acid tuff is developed in the basin, which may have promoted the formation of the oil shale. The Ordos Basin was formed during the northwards subduction of the Qinling oceanic plate during the Ladinian–Norian in a back-arc basin context. The oil shale of the Ordos Basin has a large potential for hydrocarbon generation.

Supplementary material: Tables of oil-shale geochemical composition, proximate and organic matter analyses from the Chang 7 Member oil shale, the Ordos Basin, Central north China are available at https://doi.org/10.6084/m9.figshare.c.4411703

The Larne and Portpatrick basins, located in the North Channel between SW Scotland and Northern Ireland, have been the target of a small programme of petroleum exploration activities since 1971. A total of five hydrocarbon exploration wells have been drilled within the two basins, although as of yet no commercial discoveries have been made. The presence of hydrocarbon shows alongside the discovery of two good-quality reservoir–seal couplets within Triassic and underlying Permian strata has encouraged exploration within the region. The focus of this study is to evaluate the geology and hydrocarbon prospectivity of the Portpatrick Basin and the offshore section of the Larne Basin. This is achieved through the use of seismic reflection data, and gravity and aeromagnetic data, alongside sedimentological, petrophysical and additional available datasets from both onshore and offshore wells, boreholes and previously published studies. The primary reservoir interval, the Lower–Middle Triassic Sherwood Sandstone Group (c. 600–900 m gross thickness), is distributed across both basins and shows good to excellent porosity (10–25%) and permeability (10–1000 mD) within the Larne Basin. The Middle–Late Triassic Mercia Mudstone Group should provide an excellent top seal where present due to the presence of thick regionally extensive halite deposits, although differential erosion has removed this seal from the margins of the Larne and Portpatrick basins. The Carboniferous, which has been postulated to contain organic-rich source-rock horizons, as inferred from their presence in adjacent basins, has not yet been penetrated within the depocentre of either basin. There is, therefore, some degree of uncertainty regarding the quality and distribution of a potential source rock. The interpretation of seismic reflection profiles presented here, alongside the occurrence of hydrocarbon shows, indicates the presence of organic-rich pre-Permian sedimentary rocks within both basins. 1D petroleum system modelling of the Larne-2 borehole shows that the timing of hydrocarbon generation and migration within the basins is a significant risk, with many traps post-dating the primary hydrocarbon charge. Well-failure analysis has revealed that trap breach associated with kilometre-scale uplift events, and the drilling of wells off-structure due to a lack of good-quality subsurface data, have contributed to the lack of discoveries. While the Larne and Portpatrick basins have many elements required for a working petroleum system, along with supporting hydrocarbon shows, the high risks coupled with the small scale of potential discoveries makes the Portpatrick Basin and offshore section of the Larne Basin poorly prospective for oil and gas discovery.

Thematic collection: This article is part of the Under-explored plays and frontier basins of the UK continental shelf collection available at: http://www.lyellcollection.org/cc/under-explored-plays-and-frontier-basins-of-the-uk-continental-shelf

The moon has seen a lot in its 4.5 million years of life, and a detailed new geologic map serves as testament.

Urban Hydrogeology

Hayden Library - QE601.P7155 2019

Hayden Library - QE348.2.P35 2019

Hayden Library - QE328.W55 2019

Hayden Library - QE264.R54 2019

Barker Library - GB1005.J536 2019

Hayden Library - QE475.A2 M473 2019

Dewey Library - QE179.P49 2019

Dewey Library - QE165.D38 2019

Hayden Library - RS166.G354 2017

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