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Volume 55, Issue 278, February 2019

About the Cover

Geological mapping of Yelwa area revealed that the area consists of Cretaceous sedimentary and Palaeogene volcanic rocks. The sedimentary rocks are represented by Bima, Yolde and Dukul Formations of the Yola sub-basin of the Upper Benue Trough. The volcanic rocks are Basalt, Phonolite and Trachyte which occur in form of outliers surrounded by older sediments. Crystalline calcite occurs within the limestone unit of the Dukul Formation in six different locations. Petrographic study indicates that, the Bima Sandstone consists essentially of quartz, orthoclase, microcline and biotite with minor iron oxides. The Yolde Sandstone consists largely of quartz, orthoclase, plagioclase and biotite with accessory iron oxide and zircon. Limestone of Dukul Formation is composed majorly of calcite and dolomite while microcline and quartz occur as minor minerals. Basalt is mainly composed of olivine, augite, plagioclase laths, and iron oxide. Olivine occurs mainly in form of phenocrysts and is irregularly fractured with inclusions of minor iron oxide in some crystals. Phonolite and trachyte largely consists of sanidine, plagioclase, aegirine and nepheline with accessory opaque ores. Sanidine show simple twinning conforming with Carlsbad law. Both sanidine and aegirine along with some plagioclase occur as phenocrysts which are aligned in a particular direction suggesting transportation of the crystals by flowing lava before solidification

Table of Contents

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SOCIAL SCIENCE

Challenges of quantity surveying curriculum for construction industry practice in Ondo state, Nigeria

Oke Ayodeji E, Ayodele Tolulope D

This paper identifies the challenges of Quantity surveying curriculum in Nigeria with a view to ensuring adequate graduate of Quantity Surveyors to the industry.

Discovery, 2019, 55(278), 40-48

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Recruitment, Selection and Employee Commitment of Academic Staff in the Context of a Private University in Uganda

Wilson Mugizi, Benard Nuwatuhaire

This study investigated the influence of recruitment and selection on employee commitment (EC) of university academic staff in a private University in Uganda.

Discovery, 2019, 55(278), 49-56

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EARTH SCIENCE

Geology and Petrography of the Rocks around Yelwa Area, North-eastern Nigeria

Hamman Ishaku Kamale, Jalo Muhammad El-Nafaty

Geological mapping of Yelwa area revealed that the area consists of Cretaceous sedimentary and Palaeogene volcanic rocks. The sedimentary rocks are represented by Bima, Yolde and Dukul Formations of the Yola sub-basin of the Upper Benue Trough.

Discovery, 2019, 55(278), 57-72

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AGRICULTURAL SCIENCE

Pre-harvest exogenous application of bacterial strains to assess the flower and bulb quality of cut Tulip (Tulipa gesneriana L.) Cv. Clear Water

Mohsin Bashir, Muhammad Asif, Muhammad Naveed, Rashad Waseem Khan Qadri, Nazar Faried, Allah Baksh

This study was planned to investigate the effect of different beneficial microbes to evaluate the quality of flower and bulb of cut tulips (Tulipa gesneriana L.) cultivar ‘Clear Water’ under the environmental conditions of Faisalabad during 2016

Discovery, 2019, 55(278), 73-80

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PHYSICAL SCIENCE

Thermodynamic Properties of Quantum Mechanical Gravitational plus Harmonic Oscillator Potential using the Proper Quantization Rule

Benedict I Ita, Nelson A Nzeata, Hitler Louis

We obtained by using the proper quantization rule, the analytical solutions of the Schrödinger equation for the Deformed Harmonic Oscillator potential.

Discovery, 2019, 55(278), 81-87

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