http://localhost:80/xmlui/handle/123456789/17195 Sat, 11 Apr 2026 03:21:40 GMT 2026-04-11T03:21:40Z http://localhost:80/xmlui/handle/123456789/18712 Title: Effect of Salt Crystallization on the Building Stones Used in Konya,Central Turkey Authors: VEYSEL ZEDEF; MURAT UNAL Mon, 20 Dec 2010 00:00:00 GMT http://localhost:80/xmlui/handle/123456789/18712 2010-12-20T00:00:00Z http://localhost:80/xmlui/handle/123456789/18711 Title: Eliminating Undesirable Compounds in Lubricant Oil by Clay Authors: F. KHOJASTEH; N. EBADATI; M. NIKAZAR; Z. MYLANY; N. BEHZAD Mon, 20 Dec 2010 00:00:00 GMT http://localhost:80/xmlui/handle/123456789/18711 2010-12-20T00:00:00Z http://localhost:80/xmlui/handle/123456789/18709 Title: Contribution from Mafic Melt to the Zhireken PorphyryMo-Cu Deposit, Eastern Transbaikalia,Russia: Evidence fromMafic Microgranular Enclaves Authors: ANITA; N. BERZINA; I.SOTNIKOV; VITALY Abstract: Mafic microgranular enclaves (MME) were formed in felsic ore-bearing porphyries from the Zhireken por-phyry Mo-Cu deposit, eastern Transbaikalia, Russia. Porphyry rocks were emplaced during the Upper Jurassic. Most ofthe enclaves are globular, oval-shaped and intermediate in composition (54% SiO2). The MME from the Zhireken depositoften contain the same minerals as the host granite porphyries, though their chemical compositions are different.Accessory magnetite in MME shows higher Cr2O3 and Cu contents while, apatite reveals higher Cl and S concentrationscompared to those in host porphyries. Mafic melt may have made substantial contribution for the overall budget ofsulphur and ore metals in evolving felsic magma and hydrothermal fluid of the Zhireken deposit. Higher contents of Pd(684 ppb) and Pt (299 ppb) in molybdenites of the Zhireken deposit, as well as high temperatures (1020-910°C) offormation of porphyry rock melt inclusions, indirectly suggest a contribution from mafic melt derived from the mantle Mon, 20 Dec 2010 00:00:00 GMT http://localhost:80/xmlui/handle/123456789/18709 2010-12-20T00:00:00Z http://localhost:80/xmlui/handle/123456789/18708 Title: Petrochemistry and Depositional Environment of Permian Coals ofBasundhara Block, Ib-Valley Coalfield, Orissa, India Authors: R. K. SINGH; K. N. SINGH; S. K. DHANORIA; A. BHATT; A. DIXIT Abstract: This paper deals with the characteristics of coals of Basundhara block of Ib-valley. The aim of this study is toreconstruct the paleo-environment condition of coal formation. A large number of pillar coal samples from Basundharablock were collected and subjected to detailed petrographic and geochemical studies. The results show that the Basundharablock (Rampur seam) coals are rich in inertinite group macerals. The rank of Basundhara block coals as per ASTMsystem and according to the mean of random vitrinite reflectance has been found to range between sub-bituminous ‘A’and high volatile bituminous ‘B’. The proximate analyses exhibit that coals belong to semi-coking to weakly cokingrange. The ultimate composition shows hydrogen ranges between 4.87 and 6.20%, carbon from 78.7 to 86.3% andoxygen between 7.26 and 13.78%. The nitrogen ranges from 0.71 to 0.76% and sulphur is between 0.53 and 0.96%. Thequantitative study of macerals, microlithotypes and mineral matter indicate that these coals originated from the plantcommunities of highly fluctuating oxic and anoxic moor to oxic (dry) moor with sudden high flooding conditions. Lowvalue of Tissue Preservation Index (TPI) and high value of Gelification Index (GI) indicate peat formation in drycondition. Wed, 20 Jan 2010 00:00:00 GMT http://localhost:80/xmlui/handle/123456789/18708 2010-01-20T00:00:00Z