Search Results (123)

Copper (Cu) smelting slags are considered secondary reserves of technology metals (TMs) and base metals (BMs), which are crucial for the transition to renewable energy and mechatronic applications. In this study, thermochemical and experimental analyses were conducted to investigate the pyrometallurgical extraction of TMs and BMs from Cu smelting slag. FactSage thermochemical simulations and smelting experiments were carried out at temperatures from 1300 to 1600 °C and with carbon (reductant) additions of 2% to 10% relative to the mass of the feed slag. The results showed that during smelting, gallium (Ga), germanium (Ge), cobalt (Co), and copper (Cu) deported into the iron-based alloy product. Zinc (Zn) and lead (Pb) oxidised to ZnO and PbO, respectively, which were subsequently collected as fumes. The produced alloy mass was more sensitive to carbon addition than to smelting temperature variation. The TM and BM contents in the alloy decreased with increasing carbon addition in the feed; this was attributed to dilution by Fe, Si, and C from the increasing reduction of iron and silicon oxides in the feed slag and dissolution of C in the alloy. High recovery degrees of TMs and BMs in the alloy stream—over 90% for Co and Cu, over 50% for Ga, and over 70% for Ge—were achieved when smelting at 1500 °C with 4% carbon addition. The final alloy comprised 70.5% Fe, 6.6% Co, 23.6% Cu, 0.11% Ga, and 0.13% Ge. The fumes primarily comprised ZnO and, to a lesser extent, PbO, with recovery degrees over 90% for Zn and Pb. These alloy and fume products would be processed following conventional hydrometallurgical separation and purification processes to produce high-purity metals. The pyrometallurgical extraction of TMs and BMs presents an opportunity for the valorisation of Cu smelting slag dumps, especially in Southern Africa, aiming to attain zero-waste industrial processes. Full article

This paper examines migration from Africa as a response to shifting identities and the resurgence of nationalism, bringing biblical traditions into dialogue with contemporary realities. In many African contexts, contested identities, ethno-religious nationalism, and exclusionary state policies intensify conditions of displacement alongside poverty, conflict, and terrorism. As a result, migration becomes both a survival strategy and a negotiation of identity in an increasingly fragmented world. Biblical narratives of forced migration provide an interpretive framework for understanding these movements. The Hebrew Bible recounts exilic experiences, such as the Babylonian deportation, that reshaped Israel’s communal memory, identity, and theology. Similarly, the New Testament highlights dispersions caused by persecution, showing how migration functioned as a catalyst for the expansion of faith communities and the reconstruction of belonging. These texts illuminate how forced migration is not only a consequence of crisis but also a transformative process that redefines identity and community. By employing sociological and theological methods, this study demonstrates how African migration in the context of nationalism parallels biblical paradigms of exile and dispersion. It argues that African migrants’ narratives of identity, marked by struggle, hope, and resilience, echo biblical testimonies of displacement and offer theological resources for interpreting migration today. In doing so, this paper contributes to interdisciplinary debates on migration by showing how biblical exilic traditions can inform responses to Africa’s ongoing challenges of nationalism, identity, and forced movement. Full article

This study evaluates performance data and genetic merit of the main horse populations competing in Olympic disciplines in Spain and examines their implications for the optimization of official Breeding Programs. Performance records from 2004–2023 were analyzed, including 101,093 participations in Dressage, 319,000 in Show Jumping, and 17,535 in Eventing. These records were combined with pedigree information from 35,589 horses in Dressage, 33,935 in Show Jumping, and 12,102 in Eventing and evaluated using BLUP animal models to obtain standardized Estimated Breeding Values (EBV; mean 100 ± 20) and a Genetic Global Index (GGI). A single unified evaluation model was implemented for all studbooks, enabling a direct comparison of genetic quality across different breeds. Results revealed marked differences in genetic merit and genetic progress among breeds. Similar mean EBVs were obtained for the three analyzed breeds in Dressage in both the complete and the top 10% populations, with positive genetic trends in Caballo de Deporte Español (CDE) and Pura Raza Española (PRE), while the slope of EBV on birth year was not significantly different from zero in Spanish Anglo-Árabe (AA). CDE showed the highest mean EBVs and accuracies in Show Jumping (EBV up to 109.27; R up to 0.72), with a clear positive genetic trend. In Eventing, CDE and AA showed similar EBVs, while PRE consistently exhibited lower ones, although with a comparatively more favorable genetic trend. Analysis of selection intensity indicated that PRE breeders applied the most consistent genetic criteria, preferentially using animals with GGI > 100, whereas CDE and AA showed discrepancies between genetic merit and reproductive use. Overall, the unified Spanish genetic evaluation system provides reliable comparative information across breeds and has enabled measurable genetic progress, although improvements in breeders’ decision-making and in the use of genetic information are needed to maximize selection response. Full article

How do survivors mourn when violence controls movement, speech, and public grief? This article reads lament as a political–theological practice that keeps the dead publicly addressable under forced (im)mobilities—conditions in which some are deported, disappeared, or killed while others are compelled to remain amid ruins, surveillance, and stigma. Through a comparative reading of Lamentations and Han Kang’s Human Acts, this study develops “fourth-person lament” to name a ruin-saturated address (“you”) that is relayed through multiple voices and across the boundary of death, refusing to resolve responsibility into a single speaker or a finished story. The analysis shows how lament is mediated through bodies that remain—hunger, wounds, exhaustion, unburied dead—and through spaces turned into archives of violence, so that catastrophe cannot be sealed into closure or denial. By tracing struggles over memory and affect—over who may move, who must stay, and whose deaths can appear as grievable—this article argues that lament operates as resistant passage within enforced (im)mobility: a communal and public insistence that memory, mourning, and responsibility remain open to contestation. Full article

In 2022, Austria experienced a significant surge in Syrian arrivals. Unlike refugees arriving to Europe in 2015/2016, who predominantly embarked on direct journeys from Syria, most of the recently admitted cohort experienced protracted displacement in Turkey. During these prolonged periods in transit, individuals’ fundamental rights and essential economic, social, and psychological needs frequently remained unmet, due to the weak Temporary Protection Status they were granted in Turkey and rising tensions with the local population. To assess protracted displacement histories of recently arrived Syrians in Austria, we employ a qualitative approach with four qualitative focus group discussions, 17 semi-structured interviews (in total N = 29) and an additional online questionnaire on sociodemographic characteristics to support the qualitative data collection. Furthermore, expert interviews (N = 21) help to contextualize the situation of recently arrived Syrians in Austria and assess differences to the first cohort of arrivals (2015–2016). Our results reflect the marginalizing dynamics encountered by Syrians who underwent impermanent settlement experiences and their multidimensional experience of socio-economic marginalization in Turkey. This includes limited employment opportunities and economic deprivation, limited access to education as well as experiences of racial discrimination, harassment, violence, and state-sanctioned deportations. These have added to their eventual secondary migration to the EU. Our study allows for a more comprehensive understanding of the (im)permanent settlement challenges faced by refugee populations with Temporary Protection such as applied to Syrians in Turkey. Full article

This article examines how the Ahiska Turks—deported from Georgia’s Meskheti region to Central Asia in 1944—sustained their religious belonging under shifting Soviet and post-Soviet political and social conditions, and how this religious continuity became intertwined with processes of collective memory formation. Drawing on published archival materials, existing scholarship, and a long-term ethnographic corpus composed of fourteen life-history oral interviews conducted between 2006 and 2025 in Turkey and Kazakhstan, the study traces the multigenerational trajectories of ritual practice. The findings show that funeral ceremonies, mevlid gatherings, Ramadan practices, and domestic prayer circles function as “sites of memory” through which the trauma of displacement is reinterpreted and intergenerational belonging is continually reconstituted. These ritual forms generate a meaningful sense of continuity and communal resilience in the face of prolonged experiences of loss, uncertainty, and “placelessness.” Situated at the intersection of the anthropology of religion, cultural trauma theory, and Soviet/post-Soviet diaspora studies, the article conceptualizes Islam as more than a realm of belief: for the Ahiska Turks, it operates as a core cultural infrastructure that anchors post-displacement resilience, social organization, and collective memory. The study contributes to the literature by offering an integrated analytical framework that places the Ahiska community within broader debates on religion, memory, and forced migration; by examining rituals not only as emotional practices but also as institutional and cultural scaffolding; and by foregrounding the understudied post-traumatic religious experiences of Muslim diasporas. Full article

The progressive depletion of high-grade ore bodies has shifted attention toward the exploitation of lower-grade deposits as viable sources of value. In recent years, there has been growing emphasis on mining and processing methods that incorporate sustainability by addressing both environmental and socio-economic considerations. To maximize resource recovery, integrated strategies that combine exploration, grade control drilling, mine planning, and processing are essential. Within this framework, particle sorting has emerged as an effective coarse separation method that can upgrade low-grade feed prior to the more energy-demanding milling and subsequent processing stages. Incorporating screening before particle sorting not only assists in identifying the distribution of metals but also determines the most suitable particle size ranges for sorting performance. This study reports on the applicability of sensor-based sorting technologies to low-grade gold and nickel ores from Australia, with a focus on grade deportment by particle size. The results demonstrate that substantial upgrading of low-grade ores is possible, achieving 70%–80% metal recovery within approximately 30%–40% of the original mass through the use of induction and XRT sensors. Overall, the findings indicate that both induction and XRT sorting methods are broadly effective across ore types, offering enhanced upgrading capability and improved processing efficiency. Full article

Political rhetoric on immigration has increasingly framed it as a threat to public safety—fueling aggressive immigration enforcement strategies, including the expanded use of federal agents, mass deportations, and strict border controls. In particular, the immigration-crime narrative has been built on four key themes or “pillars,” which suggest that immigration (1) increases crime, (2) fuels gang violence, (3) is responsible for drug problems, and (4) requires mass deportation and strict border control policies to combat these issues and reduce crime. Using data from a 2025 Lucid survey and a review of existing literature, this article provides a clear and focused summary describing the extent to which these four claims of the immigration-crime narrative are supported by (1) public opinion and (2) findings from scientific research. As we highlight in the following sections, all four of these “pillars” of the immigration-crime narrative are in fact myths with no consistent empirical support. Full article

Migration between Haiti and the Dominican Republic has long reflected Hispaniola’s intertwined histories of grievances, distrust, inequality, and interdependence. Under President Luis Abinader (2020–2025), this relationship gained renewed political significance as regional instability and Haiti’s institutional collapse made migration a central concern of governance. This study examines the Dominican state’s discourse on Haitian migration through a combination of historiographical interpretation and discourse-historical frame analysis. Using the diagnostic–prognostic–motivational triad, this analysis examines 26 official statements, legal documents, and media articles to trace how notions of order, security, and humanitarian responsibility have structured migration policy during this period. The findings identify four interrelated logics—securitisation, nativism, racialisation, and statelessness—that shape how migration is problematised and managed. While overtly xenophobic or racist language has largely disappeared from official discourse, older anti-Haitian hierarchies persist beneath a technocratic and humanitarian surface. Deportations, biometric border management, mass detentions, violence, and preferential bureaucratic practices are presented as neutral governance, even as they disproportionately and unlawfully affect darker-skinned citizens and migrants of Haitian descent. The analysis suggests that Dominican migration governance represents neither rupture nor continuity, but rather a rearticulation of narratives of security, sovereignty, and national identity in a context of contemporary securitising issues in Haiti. Full article

This conceptual paper analyzes the effects of Donald Trump’s 2025 authoritarian regime on refugees, the US Refugee Admissions Program, and resettlement. The second Trump presidency resumed his first term’s attempt (2017–2021) at seizing power. This time, his regime launched a more sophisticated authoritarian plan to destroy the US. His 2025 term is consolidating power in the president to target all forms of migration to the US, including dismantling the US Refugee Admissions Program (USRAP) through executive overreach, circumventing statutory refugee procedures, violating human and civil rights, and disregarding judicial constraints. On 20 January 2025, he used Executive Order 14163, “Realigning the United States Refugee Admissions Program,” to indefinitely suspend the admission and resettlement of refugees for 90 days. Exceptions are made on a case-by-case basis, with national interest and plans for a white nationalist state driving the decision. Refugees at any phase of the vetting process will be denied entry. Simultaneously, Executive Order 14169, “Reevaluating and Realigning United States Foreign Aid,” was signed on 20 January 2025, to pause the US dissemination of foreign aid for 90 days. Resumption would depend on a review determining foreign assistance alignment with national interests. The implementation of Executive Order 14169 further dismantled the USRAP infrastructure by stripping federal agencies of personnel and budgets that support resettled refugees through a “stop work order” issued by the Department of State’s Bureau of Population, Refugees, and Migration (PRM) on 24 January 2025. Refugee resettlement agencies, non-profits, and faith-based organizations are vital to welcoming and assisting refugees as they adjust to their new lives. These critical organizations are now struggling to provide services to resettled refugees. Additionally, escalated, arbitrary, racially profiled deportations of alleged criminal undocumented immigrants have increased anxiety and fear among resettled refugee communities. Subsequently, the Trump administration’s indefinite suspension of the USRAP, effective from 2025 to 2028 and beyond, will impact refugees, their families, and the resettlement network. Truly, the survival of the USRAP depends on an administration that upholds the Constitution, democratic values, and the significance of US diplomatic global leadership, replacing this regime. Full article

Accurate phase identification is essential for characterising complex mineral systems but remains a challenge in SEM-based automated mineralogy (AM) for compositionally variable rock-forming or accessory minerals. While platforms such as the Tescan Integrated Mineral Analyzer (TIMA) offer high-resolution phase mapping through BSE-EDS data, classification accuracy depends on the quality of the user-defined phase library. Generic libraries often fail to capture site-specific mineral compositions, resulting in misclassification and unclassified pixels, particularly in systems with solid solution behaviour, compositional zoning, and textural complexity. We present a refined approach to developing and validating custom TIMA phase libraries. We outline strategies for iterative rule refinement using mineral chemistry, textures, and BSE-EDS responses. Phase assignments were validated using complementary microanalytical techniques, primarily electron probe microanalysis (EPMA) and laser ablation inductively coupled plasma mass spectrometry (LA-ICPMS). Three Queensland case studies demonstrate this approach: amphiboles in an IOCG deposit; cobalt-bearing phases in a sediment-hosted Cu-Au-Co deposit; and Li-micas in an LCT pegmatite system. Targeted refinement of phases improves identification, reduces unclassified phases, and enables rare phase recognition. Expert-guided phase library development strengthens mineral systems research and downstream applications in geoscience, ore deposits, and critical minerals while integrating datasets across scales from cores to mineral mapping. Full article

Reliable information on the chemical and physical makeup of mine tailings is critical in meeting environmental and regulatory requirements, as well as identifying whether contained elements, including critical minerals, might be economically recovered in future to meet growing demands. Detailed mineralogical characterization, supported by chemical assays and automated mineralogy (MLA) data on different size fractions, underpins a case study of flotation tailings from the processing plant at the Carrapateena mine, South Australia. The study provides valuable insights into the deportment of minor and critical elements, including rare earth elements (REEs), along with uranium (U). REE-minerals are represented by major phosphates (monazite and florencite) and subordinate REE-fluorocarbonates (bastnäsite and synchysite). More than half the REE-minerals are concentrated in the finest size fraction (−10 μm). REEs in coarser fractions are largely locked in gangue, such that economic recovery is unlikely to be viable. MLA data shows that the main REE-minerals all display specific associations with gangue, which change with particle size. Quartz and hematite are the most common associations, followed by sericite. Synchysite shows a strong affiliation to carbonates. The contents of other critical elements (e.g., tungsten, molybdenum, cobalt) are low and for the most part occur within other common minerals as submicron-sized inclusions or in the lattice, rather than discrete minerals. Nevertheless, analysis of mine tailings from a large mining–processing operation provides an opportunity to observe intergrowth and replacement relationships in a composite sample representing different ore types from across the deposit. U-bearing species are brannerite (associated with rutile and chlorite), coffinite (in quartz), and uraninite (in hematite). Understanding the ore mineralogy of the Carrapateena deposit and how the ore has evolved in response to overprinting events is advanced by observation of ore textures, including between hematite and rutile, rutile and brannerite, zircon and xenotime, and the U-carbonate minerals rutherfordine and wyartite, the latter two replacing pre-existing U-minerals (uraninite, coffinite, and brannerite). The results of this study are fundamental inputs into future studies evaluating the technical and economic viability of potentially recovering value metals at Carrapateena. They can also guide efforts in understanding the distributions of valuable metals in analogous tailings from elsewhere. Lastly, the study demonstrates the utility of geometallurgical data on process materials to assist in geological interpretation. Full article

This article argues that the asylum policy and legislative changes introduced by the UK government in the years 2022–2024 altered the original meaning of the concept ‘safe country’ as understood in international and EU law. The UK modified this concept, which from a solidarity concept became a means of exclusion, and which negatively affects the lives and rights of people seeking asylum in the UK. Using a doctrinal approach, the first part of this article sets the legal and historical context of the concept ‘safe country’. Departing from the analysis of the Refugee Convention, the article discusses how this mechanism was used by the EU legislation. From an idea of solidarity among EU Member States, it shifted from responsibility-sharing to burden-sharing while still allowing some guarantees to people seeking asylum. Using content analysis, the second part of this article evaluates the legal requirements set by the UK legislation together with implications of applying the ‘safe country’ concept to the asylum claims. It argues that, in recent years, the UK Government used the term ‘safe country’ as synonym of two (possibly three) different concepts, such as ‘first safe country’ and ‘safe third country’. It also shifted and pushed its meaning beyond the current commonly agreed interpretation of the term because it eroded the requirement of a link between the person seeking asylum and the ‘safe country’. Thus, the UK legislation deviated even further from the rationale underlying the Refugee Convention, international human rights standards and EU legislation because it passed the obligation to assess asylum claims to states with no link to people seeking asylum and without adequate risk assessment. The final part of this article discusses the limit to this policy and analyses the legal battle between the UK Parliament, the Government’s executive power, the UK Supreme Court and the Belfast High Court, which barred the UK Government from deporting people seeking asylum to a third country. This article concludes that there is some irony in the fact the term ‘safe country’ has been weaponised as a bordering tool by the UK Government, but ‘a border’ between the Republic of Ireland and Northern Ireland is limiting the negative effect of the concept ‘safe country’ on the very same people that is attempting to exclude from protection. Full article

In the anti-immigrant national context of the first Trump administration, what motivated Latine immigrants in Texas to pursue naturalization? Based on 31 Spanish and English semi-structured interviews conducted during 2017–2019, we examine how lawful permanent residents’ (LPRs’) perceptions of contemporary immigration policy and their social rights affect their motivations to naturalize. Surprisingly, we find that although fear of deportation was an extremely common motivation, it was rarely the residents’ primary motivation. When asked why they wanted to naturalize, our respondents expressed four primary motivations grounded in their claims for social rights: proactive (gain the right to vote, benefit the group), pragmatic (expedite family reunification, access better jobs, benefit the individual), defensive (protect against deportation), and emotional (formalize a sense of belonging). Although 60 percent of interview subjects mentioned some defensive motivations, citing the current national and state political climate as hostile to immigrants, it was the least common primary motivation for naturalization; that is, they named another motivation first as their most important reason for naturalizing. The need to naturalize to protect their social rights in a shifting political context is a strong subtext to subjects’ narratives about why they choose to become citizens. Defensive motivations undergird all other motivations, but the national hostile climate is moderated by relatively positive local interactions with law enforcement and the larger community. Full article

This study examines how U.S. immigration policies enact legal violence and multigenerational punishment through the spousal reunification process, particularly in mixed-status, transnational families. Building on the concept of “deportability,” we introduce “importability” to describe a beneficiary’s potential to secure permanent residency, which varies according to social markers such as race, gender, and region of origin. Drawing from a content analysis of threads on the Immigration Pathways (IP) web forum, we analyze discussions among U.S. citizen petitioners navigating marriage-based green card applications, with a focus on experiences involving administrative processing (AP) (i.e., marriage fraud investigations). Our findings show that couples who do not align with the state’s conception of “proper” family—particularly U.S. citizen women petitioning for Black African partners—face intensified scrutiny, long delays, and burdensome requirements, including DNA tests and surveillance. These bureaucratic obstacles produce prolonged family separation, financial strain, and diminished sense of belonging, especially for children in single-parent households. Through the lens of “importability,” we reveal how legal violence and multigenerational punishment of immigration policies on mixed-status families beyond deportation threats, functioning as a gatekeeping mechanism that disproportionately affects marginalized families. This research highlights the understudied consequences of immigration policies on citizen petitioners and contributes to a broader understanding of inequality in U.S. immigration enforcement. Full article