44 research outputs found
Typologies of learning in international placements
This article discusses findings from a three-year British Council-funded project into social work student placements in Malaysia. Processes of student learning in unfamiliar cultural contexts were examined in relation to three cohorts of students. Here typologies of experience influencing learning, elicited from student-recorded data, are discussed. Analysis suggests that students undergo a process of liminality, adjustment or resistance to the contexts of community, culture and placements encountered in international settings. Emergent themes are identified as naive acceptance, critical revelation, critical observation, epiphany, critical reactionary, professional rejection and antagonistic response. Implications for international placements are discussed based on the data
The practice educator as museum guide, art therapist or exhibition curator: a cross-disciplinary analysis of arts-based learning
The use of arts-based approaches in professional education in health and social care has gathered momentum in the last decade and their effectiveness has been well documented. There are helpful models in the education literature that begin to explain how these creative methods work in learning and practice, and that assert the significance of an emotional or affective level of learning. However, the process remains elusive, almost a ‘given’. A more cross-disciplinary analysis of affective learning is needed to guide arts-based methods and more robust evaluation of their use in health and social care education and practice. This paper identifies different roles that can be taken by the practice educator with a review of those theoretical models of affective learning that underpin them to help understand how and why arts-based approaches are effective
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Algodonite and domeykite from New Cliffe Hill quarry, Stanton-under-Bardon, Leicestershire
The main copper assemblage found at New Cliffe Hill Quarry comprises major amounts of cuprite, copper and malachite. Other minerals are uncommon but include trace amounts of silver, tenorite, the copper sulphides chalcocite/djurleite, yarrowite and the rare copper-arsenic species algodonite and domeykite. Analyses of domeykite (Cu2.99As) show it to be close to its stoichiometric formula Cu3As but algodonite has a range of compositions from Cu5.39As to Cu6.07As. This paper presents the first analyses of algodonite in Britain that are close to its stoichiometric formula. A minor sulphide assemblage from New Cliffe Hill Quarry carries chalcopyrite, bornite, ‘chalcocite’, spionkopite, yarrowite and covelline and in many respects has a similar petrography to the sulphide assemblage seen at Judkins Quarry where bornite (and its alteration product ‘idaite’), chalcopyrite, minor tetrahedrite, trace amounts of possible cobaltite and blue copper sulphides including geerite, djurleite, digenite, spionkopite and yarrowite occur. An origin for the copper from Permo-Triassic red beds rather than spatially associated Precambrian igneous rocks is favoure
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W-Sn-Mo-Bi-Ag mineralization associated with zinnwaldite-bearing granite from Glen Gairn, Scotland
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On the occurrence of ilvaite in the pegmatitic facies of the Whin Sill, Teesdale, North Pennines, England
lvaite, a rare calcium-iron silicate, is present in the dolerite-pegmatite facies of the Whin Sill at Forcegarth Quarry near High Force in Teesdale, Co. Durham. It has a near stoichiometric composition in the range Ca0.98-1.00Fe2+1.95-2.00Fe3+Si1.96-1.98O8(OH). Ilvaite forms part of an association of opaque minerals that includes ilmenite, altered titanomagnetite, titanite and minor sulphides, notably pyrrhotite, chalcopyrite and sphalerite that is characteristic of ilvaite in mafic igneous rocks. Other than the presence of ilvaite and trace amounts of molybdenite there is nothing unusual about the sampled dolerite-pegmatite suggesting that ilvaite may be present in dolerite-pegmatites elsewhere in the Whin Sill. This is the first authenticated occurrence of ilvaite in the British Isles.
The opaque mineralogy of pink aplite from the Whin Sill at Ratcheugh Quarry near Alnwick comprises ilmenite, titanite and pyrite with minor amounts of pyrrhotite, chalcopyrite, iron-rich sphalerite and galena. Much of the sulphide assemblage and associated barite is later than the crystallisation of the aplite
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A review of the mineralisation at Driggith and Sandbed mines, Caldbeck Fells, Cumbria
Low temperature lead-zinc-copper veins are developed within a NE-SW trending fracture system in rocks of the Eycott Volcanic Group at Driggith and Sandbed mines in the Caldbeck Fells, Cumbria. The lead veins were worked by a succession of mining companies from the 18th century onward, first at Driggith mine and later at Sandbed mine. East-west trending baryte-quartz-carbonate veins were worked for baryte in the mid-20th century. The dumps from these mines surround and in some cases cover those of the earlier lead workings.
Several episodes of primary mineralisation can be distinguished. The primary lead vein mineralisation comprises major quartz, calcite, sphalerite, galena and chalcopyrite. Sparse antimony-rich sulphide mineralisation is present as inclusions in the galena. There is rich, localised, iron sulphide-arsenopyrite mineralisation, which pre-dates the lead-copper-zinc vein mineralisation; sparse nickel- and cobalt-bearing mineralisation of unknown affinity, and baryte mineralisation with quartz and carbonates that post-dates the lead-copper-zinc vein mineralisation. The later baryte is present in distinct E-W trending veins and as a later stage of mineralisation in the fractures that host the lead-copper-zinc vein mineralisation.
Supergene oxidation is extensive. About sixty supergene minerals have been identified. Distinctive specimens of curved green arsenate-rich pyromorphite on hackly quartz are well known from the opencut above Driggith mine. Bayldonite, cerussite, mimetite and malachite are widespread and abundant. Anglesite, aurichalcite, hemimorphite, Iinarite and philipsburgite are relatively common in micro-crystalline specimens. The arsenate minerals bariumpharmacosiderite, beudantite, mimetite, segnitite and scorodite form distinct localised gossans, which are closely associated with primary arsenopyrite. A variety of sulphate minerals including brochantite, langite, linarite, serpierite and schulenbergite have been formed by post-mining oxidation.
Minerals discovered for the first time at the Sand bed and Driggith mines as a result of this study include arsendescloizite, annabergite, brianyoungite, djurleite, erythrite, gersdorffite, kottigite, lanarkite, lavendulan, olivenite, mawbyite, parnauite, philipsburgite, pyrrhotite, redgillite, strashimirite, yarrowite and zalesiite. Of these, annabergite, brianyoungite, gersdorffite, lavendulan, parnauite, strashimirite, yarrowite and zalesiite are reported for the first time in the Caldbeck Fells and mawbyite for the first time in the British Isles.
The published mineralogy of the Driggith and Sandbed mines is complicated by the claims of Arthur Kingsbury, many of which are fraudulent. Rare species claimed by Kingsbury, which should be removed from the list of minerals from Driggith and Sand bed include allophane, chalcanthite, conichalcite, chlorargyrite, plancheite, plumbogummite, phosgenite, pseudomalachite, turquoise and wulfenite. In addition, many fine specimens in the Kingsbury collection which are labelled from Driggith or Sandbed mine, including common species such as adamite, brochantite, cerussite, leadhillite, Iinarite and malachite, are fraudulent, although undoubted specimens (almost always of much poorer quality) are well known at both localities