Results 151 to 160 of about 112,374 (353)
Mineralogical appraisal and beneficiation tests on some industrial minerals from Zambia [PDF]
In March 1990, a visit to Zambia was made by D A Briggs of the Mineralogy and Petrology Group on behalf of the British Geological Survey/Overseas Development Administration project "Minerals for Development". The visit, which was described in Technical
Briggs, D.A., Mitchell, C.J.
core
ABSTRACT Cremation became the dominant funerary practice in the Middle Danube Region during the Roman Period (RP) (1st–4th century) and reappeared in the Early Medieval Ages (EMA) (6th/7th–8th century). This study aims to reconstruct differences in cremation conditions from the Gbely‐Kojatín site (Slovakia, RP and EMA) and the Přítluky site (Czech ...
Katarína Hladíková +4 more
wiley +1 more source
Pınarbaşı Apatitli Manyetit Yatağı'nın yakın çevresinde, alttan üste doğru klorit, serisit ve kalkşistlerle re- kristalize kireçtaşlarından oluşan Permiyen yaşlı Malatya Metamorfitleri vardır. Eosen yaşlı Maden Karmaşığı'nın üstüne bir bindirme ile gelen
Hüseyin ÇELEBİ +2 more
doaj
ZEOLITE / APATITE COMPOSITES: A LONG-TERM ASSURANCE MATERIAL FOR THE DISPOSAL OF RADIOACTIVE WASTE
Yujiro Watanabe +6 more
openalex +2 more sources
Abstract The aim of this study was to evaluate whether the experimental sealers, composed of tricalcium silicate (CaSi) and CaSi supplemented with calcium hypochlorite (CaSi‐H), stimulate tissue repair. The tissue response of experimental materials was compared with commercially available materials Bio‐C sealer (BC sealer) and BioRoot (BROOT ...
Evelin Carine Alves Silva +5 more
wiley +1 more source
Southern Urals lamproites: the problems of terminology, age, and geodynamic interpretation
We have studied mineral and chemical composition of lamproites from Kalymbaevsky Complex the Middle Trias. These lamproites were developed in Magnitogorsk and Eastern-Urals megazones of the Southern Urals.
S. V. Pribavkin
doaj
RioM‐1: A New Calcite Reference Material for U‐Pb LA‐ICP‐MS Geochronology
Key Points RioM‐1 calcite was characterised for trace elements, U‐Pb geochronology, Sr and O isotopes using ID‐TIMS, LA‐ICP‐MS and SIMS. U‐Pb dates from ID‐TIMS and LA‐ICP‐MS across several independent laboratories returned identical results within uncertainty.
Marco Silva +10 more
wiley +1 more source
Key Points Six new Ca‐Mg‐Fe carbonate reference materials are available to the global geochemical community for calibrating oxygen and carbon isotope ratios by SIMS. Significant compositional matrix effects were observed in the dolomite‐ankerite and magnesite‐siderite series during SIMS analysis. Compositional matrix effects correlate with Fe variation.
Maria Rosa Scicchitano +10 more
wiley +1 more source

