Integrated Analytical Techniques for the Study of Colouring Materials from Two Megalithic Barrows

We have determined the composition of rock art pigments from two megalithic barrows located in the north of Portugal. The use of XRD, SEM–EDS and FT–IR spectroscopy confirmed the presence of hematite and kaolinite in the red pigments from the Eireira barrow, and kaolinite in the white pigment from the Leira das Mamas barrow. The organic composition of the pigments was studied by GC–MS, suggesting that the red sinuous lines and dots from the Eireira barrow were prepared with cooked or heated algae and/or aquatic plants, with egg as binder, while the white pigment from the Leira das Mamas barrow revealed a mixture of vegetable oils for kaolinite moulding, which could be stabilized by temporary exposure to high temperatures. The multi‐analytical approach used on this study of megalithic pigments allowed the recovery of important data about north‐western prehistoric communities, namely the way in which they exploited existing resources and their ability to transform them.     

Decay of Limestone Statues at Mount Nemrut (Adiyaman,Turkey)

Mount Nemrut is a 2,206 m high mountain located in Adiyaman, Turkey. A number of monumental statues, a 50-m high tumulus, and a lion horoscope were constructed at the top of the mountain by King Antiochos I (69–36 bc) of the Commagene Kingdom. The site was included in the UNESCO World Heritage List in 1987 due to its unique character. However, the limestone statues located on both the east and the west terraces of the site are getting deteriorated. This study investigates the weathering of the limestone at Mount Nemrut based on field and laboratory studies. It is found that the dissolution occurs along microcracks developed in the limestone during geological time. It is more pronounced in the east terrace where freezing-thawing cycles are more than the west terrace. Furthermore, dissolution is more effective for the faces of the statues exposed to direct atmospheric contact. Due to harsh atmospheric conditions with dominant wetting-drying and freezing-thawing processes at the site, it is recommended that direct rain and snow contact with the statues should be minimized.     

Assessment of Construction Techniques and Material Usage in İzmir Rural Houses

The domestic architecture in the rural villages of ?zmir comprises a unique built environment with their masonry wall textures, semi-open sofas, round tiled-hipped roofs, and chimneys, and represents an important part of the cultural and architectural heritage. This assessment is mainly based on field observations that focus on the architectural and structural layout of intact, damaged, and destroyed houses. During field observation and the analysis of data certain plan typologies and relationships between the geological formations of the region and choice of materials and construction techniques were observed. While load-bearing masonry and timber skeleton systems are common, extensive use of timber laces, stone, and fired or adobe brick masonry with mud mortar and timber frames infilled with masonry materials were frequently seen. Generally, round timber elements such as wall plates, laces, lintels, posts, and frames of flooring systems are used. Architectural degenerations in authentic houses, defective details and partially due to the earthquake-prone nature of the region seismicity have been evaluated. An overall approach for the preservation and sustainability of this heritage is suggested.     

Care and the Lives of Homeless Youth in Neoliberal Times in Canada

Socio-spatial insights from feminist theories of care are examined in relation to the complex, difficult lives of some homeless youth in Ottawa, and their embeddedness within multiple scales of public policy construction and implementation. As lengthy interviews with 78 female and 78 male homeless youth in Ottawa revealed, both care and self-sufficiency figure strongly in these young peoples' lives. It is our contention that care is generally not part of current senior government agendas geared to marginalised youth and that as a result, there is a gap in funding that supports efforts of community organisations who work with homeless youth. We suggest that one way in which to understand this gap is by recognising that senior government programming for marginalised youth is geared problematically to narrowly defined employability issues. Furthermore, we assert that this results in local organisations being left to bridge the gaps between these one-dimensional characterisations and the complex gendered, racialised and situated lives of marginalised youth. In this article, we draw upon our preliminary findings from on-going research with homeless youth in Ottawa to expand on these arguments, in conjunction with theoretical insights drawn from selected ethics of justice and ethics of care arguments. We assert that there are important socio-spatial implications to be considered. Incorporating care into the framework of senior government policies implies that there is an onus not only to provide sufficient funds but also to direct those monies in such a way that the gendered and racialised contexts within which homeless youths are living manifest qualities of both care and justice. This article suggests that the role of appropriately located, multifaceted social services may have a significance that has not been appropriately recognised.

Cuidado y las vidas de jóvenes que faltan viviendas en tiempos de tendencia neoliberalista en Canadá

Se examinen perspicacias socio-espaciales que viene de teorías feministas de cuidado en relación a las vidas complejos y diversas de jóvenes sin hogares en Ottawa y a su fijación (embeddedness) en escalas múltiples de la construcción e implementación política publica. En entrevistas largas con 78 jóvenas y 78 jóvenes que no tienen hogares en Ottawa se revela que el cuidado e independencia se destacan en las vidas de las/los jóvenes. Sostenemos que generalmente el cuidado no es parte de las agendas actuales del gobierno superior que orientan a jóvenes marginalisados, y como consecuencia existe una brecha de financiamiento para apoyar organisaciones que trabajan con jóvenes sin hogares. Sugerimos que una manera para entender ésta brecha es reconocer que los programas del gobierno superior se orientan a cuestiones de empleabilidad limitado. Además afirmamos que resulta que organisaciones locales tienen la responsabilidad para tender puentes entre la brecha de caracterisaciones unidimensional y las vidas complejas, generificadas (gendered), racialisadas, y situatadas de jóvenes marginalisados. En éste artículo utilisamos conclusiones preliminares de investigaciones continuas con jóvenes que no tiene viviendas en Ottawa para extender los dichos argumentos en conjunción con perspicacias teoréticas de argumentos específicos de las éticas de justicia y las éticas de cuidado. Afirmamos que hay implicaciones socio-espaciales importantes que se necesitan tomar en cuenta. La incorporación de cuidada en el marco de las políticas desgobierno superior implica que no solo hay una responsabilidad para aprovisionar financiamiento suficiente sino que dirigir los fondos en una manera en que los contextos racialisados y generificados de las vidas de jóvenes marginalisados manifestan las calidades de cuidado y justicia. Éste artículo sugiere que el papel de servicios multifacéticos que se ubica adecuado tengan una importancia que no se reconocen apropiado.     

Le secret d'adukanaiš

Sans résumé     

Transportation Networks and the Location of Human Activities

The impact of transportation networks on the location of human activities is a surprisingly neglected topic in economic geography. Using the simple plant location problem, this paper investigates such an impact in the case of a few idealized networks. It is seen that a grid network tends to foster a dispersed pattern of activities, while the center of a radial network acts as an attractor. The case of two economies characterized by different network configurations that form a custom union is then analyzed. It is shown that the structural properties of the networks still hold, though some locations are pulled toward the common border. This suggests that no such relocation should be expected within the European Union if the state members endorse similar fiscal and social policies after the formation of the single market.