Data on compositional diversity of textural varieties of lake superior-type Banded Iron Formation (BIF) of the Njweng prospect, Mbalam iron ore district, southern CameroonMendeley Data
In order to determine the nature of the original chemical precipitate and the ocean during the emplacement of BIF in the northern part of the Congo Craton data from the Njweng prospect anomaly was utilized. During field mapping and ground-truthing of this anomaly, samples were collected and the geoc...
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Elsevier
2025-02-01
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| author | Dieudonne Charles Isidore Ilouga Cheo Emmanuel Suh Akumbom Vishiti Elisha Muntum Shemang |
| author_facet | Dieudonne Charles Isidore Ilouga Cheo Emmanuel Suh Akumbom Vishiti Elisha Muntum Shemang |
| author_sort | Dieudonne Charles Isidore Ilouga |
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| description | In order to determine the nature of the original chemical precipitate and the ocean during the emplacement of BIF in the northern part of the Congo Craton data from the Njweng prospect anomaly was utilized. During field mapping and ground-truthing of this anomaly, samples were collected and the geochemical data of 26 representative samples constitute the core of this contribution. The selected samples for geochemical studies represented the various facies: oxide facies BIF composing of magnetite, hematite/martite, quartz; the silicate facies BIF composing of quartz, magnetite, hematite/martite and goethite. The ore (≥75 wt.% Fe) is a hematite-martite-goethite assemblage. The BIF show a characteristic banding and no association with volcanic activity. Chemical analysis was accomplished using a combination of the Inductively Coupled Plasma Emission Spectrometry (ICP-ES) and Inductively Coupled Plasma Mass Spectrometry (ICP-MS) on the major and trace elements respectively. The BIF have Fe2O3(T) content that ranges from 47.2 to 88.5 wt% and SiO2 from 1.87 to 49.28 wt% with the low silica content in the ore. The BIF show average SiO2 content of 41.20 wt% and 53.9 wt% Fe2O3. Both the oxide and silicate facies BIF samples show modern seawater characteristics (depletion in LREEY relative to HREEY, positive Eu(Eu/Eu*), Y anomalies and super chondritic Y/Ho ratios). The BIF reveals low Al2O3, TiO2, Na2O, K2O, HFSE and Nd concentrations. The average concentration of V, Ni, and Cu in the BIF is low. |
| format | Article |
| id | doaj-art-d9977b67bb9e4710aaff93cb93d212eb |
| institution | Kabale University |
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| language | English |
| publishDate | 2025-02-01 |
| publisher | Elsevier |
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| series | Data in Brief |
| spelling | doaj-art-d9977b67bb9e4710aaff93cb93d212eb2025-01-31T05:11:41ZengElsevierData in Brief2352-34092025-02-0158111253Data on compositional diversity of textural varieties of lake superior-type Banded Iron Formation (BIF) of the Njweng prospect, Mbalam iron ore district, southern CameroonMendeley DataDieudonne Charles Isidore Ilouga0Cheo Emmanuel Suh1Akumbom Vishiti2Elisha Muntum Shemang3Geology Laboratory, Higher Teacher Training College, University of Yaoundé 1, P.O. Box 047, Yaoundé, Cameroon; Corresponding author.Economic Geology Unit, Department of Geology, University of Buea, P.O. Box 63, Buea, South West Region, Cameroon; Department of Geology, Mining and Environmental Science, The University of Bamenda, P.O. Box 39, Bambili, North West Region, CameroonLaboratory of Technology and Applied Sciences, Department of Civil Engineering, The University Institute of Technology, University of Douala, P.O. Box 8698, Douala, Littoral Region, Cameroon; Laboratory of Geosciences, Natural Resources and Environment, Department of Earth Sciences, Faculty of Science, University of Douala, P.O. Box 24157, Douala, Littoral Region, CameroonDepartment of Earth and Environmental Sciences, Botswana International University of Science and Technology, Private Bag 16, Palapye, BotswanaIn order to determine the nature of the original chemical precipitate and the ocean during the emplacement of BIF in the northern part of the Congo Craton data from the Njweng prospect anomaly was utilized. During field mapping and ground-truthing of this anomaly, samples were collected and the geochemical data of 26 representative samples constitute the core of this contribution. The selected samples for geochemical studies represented the various facies: oxide facies BIF composing of magnetite, hematite/martite, quartz; the silicate facies BIF composing of quartz, magnetite, hematite/martite and goethite. The ore (≥75 wt.% Fe) is a hematite-martite-goethite assemblage. The BIF show a characteristic banding and no association with volcanic activity. Chemical analysis was accomplished using a combination of the Inductively Coupled Plasma Emission Spectrometry (ICP-ES) and Inductively Coupled Plasma Mass Spectrometry (ICP-MS) on the major and trace elements respectively. The BIF have Fe2O3(T) content that ranges from 47.2 to 88.5 wt% and SiO2 from 1.87 to 49.28 wt% with the low silica content in the ore. The BIF show average SiO2 content of 41.20 wt% and 53.9 wt% Fe2O3. Both the oxide and silicate facies BIF samples show modern seawater characteristics (depletion in LREEY relative to HREEY, positive Eu(Eu/Eu*), Y anomalies and super chondritic Y/Ho ratios). The BIF reveals low Al2O3, TiO2, Na2O, K2O, HFSE and Nd concentrations. The average concentration of V, Ni, and Cu in the BIF is low.http://www.sciencedirect.com/science/article/pii/S2352340924012150AnomalyFaciesBandingGeochemistryPure chemical sedimentsModern seawater characteristics |
| spellingShingle | Dieudonne Charles Isidore Ilouga Cheo Emmanuel Suh Akumbom Vishiti Elisha Muntum Shemang Data on compositional diversity of textural varieties of lake superior-type Banded Iron Formation (BIF) of the Njweng prospect, Mbalam iron ore district, southern CameroonMendeley Data Data in Brief Anomaly Facies Banding Geochemistry Pure chemical sediments Modern seawater characteristics |
| title | Data on compositional diversity of textural varieties of lake superior-type Banded Iron Formation (BIF) of the Njweng prospect, Mbalam iron ore district, southern CameroonMendeley Data |
| title_full | Data on compositional diversity of textural varieties of lake superior-type Banded Iron Formation (BIF) of the Njweng prospect, Mbalam iron ore district, southern CameroonMendeley Data |
| title_fullStr | Data on compositional diversity of textural varieties of lake superior-type Banded Iron Formation (BIF) of the Njweng prospect, Mbalam iron ore district, southern CameroonMendeley Data |
| title_full_unstemmed | Data on compositional diversity of textural varieties of lake superior-type Banded Iron Formation (BIF) of the Njweng prospect, Mbalam iron ore district, southern CameroonMendeley Data |
| title_short | Data on compositional diversity of textural varieties of lake superior-type Banded Iron Formation (BIF) of the Njweng prospect, Mbalam iron ore district, southern CameroonMendeley Data |
| title_sort | data on compositional diversity of textural varieties of lake superior type banded iron formation bif of the njweng prospect mbalam iron ore district southern cameroonmendeley data |
| topic | Anomaly Facies Banding Geochemistry Pure chemical sediments Modern seawater characteristics |
| url | http://www.sciencedirect.com/science/article/pii/S2352340924012150 |
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