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Open AccessJournal ArticleDOI

Phd by thesis

Richard Lathe
- 01 Apr 1988 - 
- Vol. 332, Iss: 6166, pp 676-676
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TLDR
In this paper, a sedimentological core and petrographic characterisation of samples from eleven boreholes from the Lower Carboniferous of Bowland Basin (Northwest England) is presented.
Abstract
Deposits of clastic carbonate-dominated (calciclastic) sedimentary slope systems in the rock record have been identified mostly as linearly-consistent carbonate apron deposits, even though most ancient clastic carbonate slope deposits fit the submarine fan systems better. Calciclastic submarine fans are consequently rarely described and are poorly understood. Subsequently, very little is known especially in mud-dominated calciclastic submarine fan systems. Presented in this study are a sedimentological core and petrographic characterisation of samples from eleven boreholes from the Lower Carboniferous of Bowland Basin (Northwest England) that reveals a >250 m thick calciturbidite complex deposited in a calciclastic submarine fan setting. Seven facies are recognised from core and thin section characterisation and are grouped into three carbonate turbidite sequences. They include: 1) Calciturbidites, comprising mostly of highto low-density, wavy-laminated bioclast-rich facies; 2) low-density densite mudstones which are characterised by planar laminated and unlaminated muddominated facies; and 3) Calcidebrites which are muddy or hyper-concentrated debrisflow deposits occurring as poorly-sorted, chaotic, mud-supported floatstones. These

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References
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Natural Equilibrium States for Multimodal Maps

TL;DR: In this paper, the authors studied the thermodynamic formalism for a class of real multimodal maps and proved the existence and uniqueness of equilibrium states for the geometric potentials −t log |Df|, for the largest possible interval of parameters t.
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Approaches to Uncertainty in Spatial Data

TL;DR: In this paper, the authors focus on the nature of uncertainty in GIS and the importance of awareness of uncertainty for all users of GIS that awareness should be as widespread as possible.
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Mullitisation behaviour of calcined clay-alumina mixtures

TL;DR: In this article, the X-ray diffraction and micro-structural analysis were carried out to understand the mullitisation behavior of three south Indian calcined clays with three different alumina sources.
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Impact of a low-energy enhancement in the γ-ray strength function on the neutron-capture cross section

TL;DR: In this article, the effect of low energy enhancement on the strength function of light and medium-mass nuclei has been investigated for stable and unstable neutron-rich Fe, Mo, and Cd isotopes.