2023.5.25 evaluation for infrastructures done with pyroclastic aggregates in the Abakaliki region. Keywords Construction aggregate Material deterioration Multivariate
Read More2018.5.1 Olade (1979) described the Abakaliki pyroclastic rocks as alkali basalts reworked during marine transgression, while Hoque (1984) opined that the events of
Read More2018.5.1 After the work of Burke et al. (1972) on the pyroclastic rocks, works on the tectonic origin of the igneous rocks are scarce due to lack of geochemical data on these
Read More2013.2.6 Samples of pyroclastic rocks from Abakaliki area (Nigeria) were subjected to geological and geochemical tests to determine the suitability and durability of the rocks
Read More2022.11.28 Samples of pyroclastic rocks from Abakaliki area (Nigeria) were subjected to geological and geochemical tests to determine the suitability and durability of the rocks as concrete aggregate.
Read More2018.2.1 The entire Abakaliki area has been intruded by numerous magmatic rocks ranging from basic/intermediate igneous rocks (Obiora and Charan, 2011) to pyroclastics
Read MoreBasic to intermediate pyroclastic rocks of pre-Albian age are overlain by the Abakaliki shale of Asu River Group in Eastern Nigeria. The shale has been assigned Albian age on the
Read More2020.9.24 Abstract and Figures. This paper examines the challenges of quarrying activities on sustainable quality water resources in Abakaliki and environs and the socio-economic implications of the effects ...
Read More2018.5.1 Semantic Scholar extracted view of "Geochemical constraints on the petrogenesis of the pyroclastic rocks in Abakaliki basin (Lower Benue Rift), Southeastern
Read More2020.6.12 The Abakaliki area has been renowned for lead–zinc mining and hard rock quarrying, and these activities generate acid mine drainages (AMDs) and chemical dissolution of minerals into the water, respectively. This research is aimed at assessing the influence of AMDs and other dissolved elements on water quality for domestic and
Read More2022.11.28 The evidence of the negative impact was shown by the amount of the mean value drops (when fresh and completely ... Obiora SC (2018) Geochemical constraints on the petrogenesis of pyroclastic rocks in Abakaliki basin (Lower Benue Rift), Southeastern Nigeria. ... Lester D (1981) Quarrying and rock breaking: the operation and maintenance
Read More2018.2.1 The entire Abakaliki area has been intruded by numerous magmatic rocks ranging from basic/intermediate igneous rocks (Obiora and Charan, 2011) to pyroclastics in the Abakaliki area (Olade, 1979 ...
Read MoreNegative Impact Of Quarrying Pyroclastic Rocks In Abakaliki. 2012 Email Contact Quaries Diractor Workers Aol 2012 email contact quaries diractor workers ao LIL Heavy Industry Accueil
Read More2018.5.1 The pyroclastic rocks in the Cretaceous Abakaliki basin occur mostly as oval-shaped bodies, consisting of lithic/lava and vitric fragments. They are commonly characterized by parallel and cross laminations, as well contain xenoliths of shale, mudstone and siltstones from the older Asu River Group of Albian age. The rocks are basic to
Read More2023.3.23 A combination of the integrated electrical conductivity (IEC), aquifer vulnerability index (AVI), and the groundwater hydraulic confinement-overlying strata-depth to water table (GOD) pollution indices were used to assess the vulnerability of the fractured rock aquifer in the Abakaliki area to pollution from anthropogenic sources. The
Read MoreCorrespondence: E-mail: aghameluokeey@gmail Website: fjst FUNAI Journal of Science and Technology 3 (2), 2017, 120-133 POTENTIALS OF PARTICLES FROM CRUSHED ABAKALIKI PYROCLASTIC
Read More2023.6.13 It is prominent for the existence of pyroclastic rock materials that were deposited millions of years ago, forming a long stretch of ingenious materials-an uplift which is today referred to as Abakaliki anticlinorium in present ... Baskar, R., Sharma, N., Paliwal, S. (2007). Impact of slate quarrying on soil properties in semi-arid ...
Read More2022.7.3 Six (6) samples of shale and five (5) water samples from hand-dug wells and boreholes, from different locations within the Abakaliki shale formation, have been assessed to evaluate the impact of ...
Read More2020.3.12 Also, the pronounced negative correlation of these major oxides to SiO 2 suggests depletion with increased silica content. Trace element ... Composition of Abakaliki Pyroclastic Rocks The pyroclastic rocks have been described as light to dark grey lapilli tuffs and lapilli stones of basaltic composition (Olade, 1978; Hoque, 1981, 1984). ...
Read More2017.8.29 In the Abakaliki area of southeastern Nigeria (Fig. 1), pyroclastic rocks are found associated with the thick Al-bian Asu River Group sediments. The occurrence and petrology of these rocks (commonly referred to as the ‘Abakaliki pyroclastics’), have been extensively studied by earlier researchers such as Okezie (1957, 1965), Farrington
Read MoreDuring quarrying the alluvium and rocks below which the minerals lie, are removed and dumped, in the initial stages, in a place which is not required in future for quarrying, residential or other purposes. ... negative impact of quarrying pyroclastic rocks in abakaliki; coal grinding impact machine; gold ore impact mill;
Read More2013.11.8 A total of 15 samples from the Abakaliki pyroclastic rock bodies were subjected to petrographic and mechanical analyses to determine the suitability of the rock type as a road aggregate. Results indicate that the Abakaliki pyroclastic rock yield aggregates with marginal performance in road projects. Although the aggregates meet a
Read MoreNegative Impact Of Quarrying Pyroclastic Rocks In Abakaliki. Negative impact of quarrying pyroclastic rocks in abakaliki open cast mining coal project in india gold refining process flow chart diamond mining underground detector suppliers in south africa limestone rock price in kuwait american pulverizer ws 5253 . consulter en ligne
Read More2013.9.17 Cretaceous to Tertiary alkaline igneous rocks in the Benue Trough. Okezie (1965) considered them to be andesitic rocks. Two controversial aspects of Nigerian the Abakaliki pyroclastics and the origin and evolution of the Benue Trough. The pyroclastics are considered by some workers as lower Benue’s oldest volcanic rocks
Read More2013.11.8 A total of 15 samples from the Abakaliki pyroclastic rock bodies were subjected to petrographic and mechanical analyses to determine the suitability of the rock type as a road aggregate. Results indicate that the Abakaliki pyroclastic rock yield aggregates with marginal performance in road projects. Although the aggregates meet a
Read Morenegative impact of quarrying pyroclastic rocks in abakaliki Impact of Past Mining Activities on Water Resources mining activities within the study area has altered the quality of water resources and that of soil [4-10].
Read More2017.11.1 The quality and durability of some marble deposits from Nigeria as construction stones were evaluated. Results indicate that the whitish-pinkish-greyish marbles were pure to relatively pure (generally ≥85 wt% calcite) and possess geotechnical properties that appeared to be controlled largely by mineralogy and texture. While the
Read More2023.5.25 and geotechnical projects is the Abakaliki area in the south-eastern part of Nigeria (Fig. 1). In that region, the volcani-clastic (volcanic originated) type of rock, locally referred to as the ‘Abakaliki pyroclastics’, is massively in-use as the primary construction stones and aggregates. Despite the massive use and prevalence of failed pro-
Read More2019.5.1 The direct detection of lead-zinc (Pb-Zn) massive sulphide deposits from field data in the Asu River Group Shales in the Abakaliki area was evaluated by using the GEM-19 v7.0 Overhauser instrument ...
Read More2021.1.6 The impact of a high concentration of ions from clay minerals in reducing the resistivity of water-bearing fractured rocks has also been discussed by Armada et al. . The ... Chukwu A, Obiora SC (2018) Geochemical constraints on the petrogenesis of the pyroclastic rocks in Abakaliki basin (Lower Benue Rift), Southeastern Nigeria. J Afr Earth Sci ...
Read More2013.4.1 Request PDF Some Geological Considerations and Durability Analysis on the Use of Crushed Pyroclastics from Abakaliki (Southeastern Nigeria) as Concrete Aggregate Samples of pyroclastic rocks ...
Read More2022.11.28 Samples of pyroclastic rocks from Abakaliki area (Nigeria) were subjected to geological and geochemical tests to determine the suitability and durability of the rocks as concrete aggregate.
Read More2017.8.25 The Abakaliki pyroclastic rocks consist of a sequence of tuff, mafic lavas, pyroclastic flows, agglomerates and amygda-loidal lavas of basaltic composition, alkaline in nature (Ofoegbu and Amajor 1987), which extruded the Albian Abakaliki Shale (see Fig. 240.1). The light grayish tuffs and unstratified lavas, however, form the dominant lithology
Read More2014.1.1 In the Abakaliki area of southeastern Nigeria (Fig. 240.1 ), construction aggregates are produced from crushing of pyroclastic rocks, commonly referred to as the ‘Abakaliki pyroclastics’. Due to their perceived hardness, arising primarily from fine-grained to porphyritic texture and igneous origin, the connection between the performance of ...
Read More2012 Email Contact Quaries Diractor Workers Aol. 2012 email contact quaries diractor workers aol ... may 26, 2012 the brothers of moosup lodge no. 113 in moosup, connecticut will once again present a quarry rite master mason degree at a working stone quarry just outside of town. the degree will be on saturday july 14, 2012. the quarry rite, normally
Read More2019.8.26 The Abakaliki area has been renowned for lead–zinc mining and hard rock quarrying, and these activities generate acid mine drainages (AMDs) and chemical dissolution of minerals into the water ...
Read More2023.1.4 The Abakaliki area is endowed with solid minerals including lead–zinc, chalcopyrite, pyrite, and siderite. These generate metallic trace elements (MTEs) that contaminate water resources. Spectrophotometric method was applied to evaluate the main hydrochemical constituents of groundwater resources while geohydrological and field
Read More2020.12.1 The Abakaliki area is known for hard rock quarrying and mining activities such as limestone (Nkalagu), sandstone (Amaeze), backed shale (Umuoghala), pyroclastic (Ezzagu), and lead-zinc ore ...
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