INDUSTRIAL MINERALS

 

 

RAW MATERIALS RESOURCES

 

SURVEY OF DELTA STATE

 

 

NOVEMBER, 2001

 

MINISTRY OF COMMERCE & INDUSTRY

 

DOCUMENT TITLE:

Title:

Originato

Author:

Document Number:

Date:

Version:

Security:

INDUSTRIAL MINERAL RAW MATERIAL RESOURCES’ SURVEY IN DELTA STATE

INDUSTRIAL MINERAL RAW MATERIAL RESOURCES’ SURVEY IN DELTA STATE

DELTA STATE GOVERNMENT

MINISTRY OF COMMERCE & INDUSTRY, ASABA

MCIC-2001-1111

November 2001

02 (FINAL)

Confidential

 

Change History

Version

Date

Pages

Reason

01

November 2001

Whole Document

 

Copy Right:

This document is the property of the Delta State Government of Nigeria, and the copyright therein is vested in the Delta State Government of Nigeria. All rights reserved. Neither the whole nor any of this document may be disclosed to others or reproduced, stored, in a retrieval system, or transmitted in any form by any means (electronic, mechanical, reprographic recording or otherwise) without prior written.

 

 

 

 

 

MINISTRY OF COMMERCE & INDUSTRY

 

ACKNOWLEDGEMENT

 

The Ministry of Commerce & Industry, Asaba, wishes to acknowledge the opportunity granted by the Delta State Government to conduct this “Industrial Mineral Raw Materials Resources Survey in Delta State” recognizing the national regulatory requirements and standards.

 

We have enjoyed the cordial working relationships with the Federal Ministry of Solid Minerals, the Raw Materials Research Development Council and the various Local Government and Communities where the minerals are located.

 

The contributions of Delta Geosciences Company Limited, commissioned to execute this project are also acknowledged.

 

The efforts of the Project Work Team comprising representatives of the Department of Industry, Ministry of Commerce & Industry, Reprographic Services of DGC International, Community leaders and contact persons are also recognized and commended.

 

 

 

 

 

 

MINISTRY OF COMMERCE & INDUSTRY

 

PROJECT REPORT CONTRIBUTORS

The following represents the contributors and their various roles in the “Industrial Mineral Raw Material Resources’ Survey in Delta State”.

Authors:          Delta Geosciences Company Limited

 

CONSULTANTS

Puegeren, J.V.E (MNIS, MNAPE)                         Project Director/Team Leader

Dr. Luke Anike                                               Geochemist/Mineralogist

Afam Osedabey                                             Chief Geologist

Okoro Ted                                                   Chief Mechanical Engineer

Jireh Peter                                                   Chief Resistivity Surveyor

Owhojeta Efe                                               Mapping Survey positioning

Dafe, T.A.                                                   Senior Chemical Engineer

Arawore, Ben                                                Head, Geophysical Study

Afam Nwokobia                                             Reprographics Services

 

MINISTRY OF COMMERCE, INDUSTRY AND CO-OPERATIVES TEAM

Mr.J.Ebolo

• Mr. J. Nwokolo

• Mr. Tony Umemezia

LABORATORIES USED

• PRODA, ENUGU

• THERMOSTEEL, GEOCHEMISTRY LABORATORY.

 

 

 

 

MINISTRY OF COMMERCE & INDUSTRY

Table of Contents

Status Page

Acknowledgement

Project Report Contributors

Table of Content

List of Figures

List of Plates /Appendix

List of Tables

List of charts

Abbreviations and Acronyms

1.0      Introduction

1.1           Scope of the Survey

1.2           Objectives of the Survey

1.3           Facts about Delta State

1.4           he Terms of Reference (TOR)

1.5           The Federal Government Policy on Solid Minerals

 

2.0           Project Justification

2.1      Need for the Project

2.2           The Project Schedule

 

3.0      Method of Investigation

3.1           Consultation

3.2      The Consultant

 

4.0      Geology

4.1      Benin Formation

4.2      Ogwashi-Asaba Formation

 

5.0      Materials and Methods

5.1      Study Sites

5.2       Sample Strategy

5.3       Sampling Rational

5.4       Quality Assurance

5.4.1      Field Procedures

5.4.2      Laboratory Procedures

5.5       Study Programme

5.5.1      Silica ( Sand ) and Clay

5.5.2      Lignite

5.5.3      Kaolin

5.6       Geological and Geophysical Studies

5.6.1      Geological Study

5.6.2      Physical and Chemical Analysis

5.6.3      Geophysical Study

5.6.3.1  Field technique

5.6.3.2  VES Interpretation technique

5.7       Sample Preparation and Procedures

5.7.1      Selection

5.7.2      Cleaning and Reduction

5.7.3      Grinding and Digestion

5.7.4      Digestion

5.8       Analytical Procedures

5.8.1      Ultraviolet Spectrophotometry

5.8.2      Atomic Absorption Spectrophotometry ( AAS ) .

5.8.3      Flame Photometry

5.8.4      EDTA Complexometry

5.8.5      Potassium Dichromate Titrimetry .

5.8.6      5.8.6  Gravimetric Determination of Sulphur

5.8.7      Direct Combustion

 

6.0      Results and Discussions

6.1      Silica (Sand)

6.2      Chemical Composition

6.3      Physical Composition

6.4        Other Tests (Vertical electrical soundings)

6.5        Discussion

6.6        Delineation

6.7        Clay & Kaolin

6.8        Chemical Composition

6.9        Physical composition

6.9.1      Clay Firing

6.10     Delineation

6.10.1  Ibusa deposit.

6.10.2 Ubulu - Uku deposit

6.10.3 Zanogogo deposit

6.10.4 Ukwunzu deposit

6.10.5 Clay deposit .

6.11    Lignite

6.11.1 Delineation

 

7.0      Exploration and Mining

7.1        Silica Sand Deposit

7.2        Clay and Kaolin

7.3        Lignite

 

8.0        Production and processes of Selected Products of Solid Minerals

8.1      Glass (Silica Sand)

8.1.1    Flat glass manufacturing

8.1.2    Fibre glass manufacturing

8.2      Selected Clay and Kaolin Product

8.2.1    Pottery Products Manufacturing

 

9.0      Uses and Applications.

9.1       Clay and Kaolin

9.2       Silica

9.3      National Uses of Solid Minerals .

 

10.0     Equipment, manufactures and Addresses

10.1    Silica process equipment

10.2     Clay and Kaolin process equipment

10.3     Lignite process equipment

 

11.0     Conclusion

11.1     Silica (Sand)

11.2     Clay and Kaolin

11.3     Lignite

 

12.0    Recommendation and Summary

 

13.0     References

 

14.0     Appendices

 

LIST OF FIGURES

Fig. 1:           Map of Nigeria showing Delta State

Fig. 2:           Activity Chart of project execution schedule.

Fig. 3:           Geological Basins of Nigeria

Fig. 4:           Niger - Delta Geological Setting

Fig. 5:           Resistivity (vertical electrical sounding) of Eriemu field at 1.0 metre depth.

Fig. 6:           Resistivity (Vertical electrical sounding) Eriemu field at 3.0 metre depth.

Fig. 7:           Resistivity (Vertical Electrical sounding) Eriemu field at 10.0 metre depth

Fig. 8:           Resistivity (Vertical Electrical sounding) of Afiesere field at 1.0 metre depth

Fig. 9:           Resistivity (Vertical Electrical Sounding) of Afiesere field at 3.0 metre depth

Fig. 10:         Resistivity (Vertical Electrical sounding) of Afiesere field at 10.0 metre depth

Fig. 11:         Cross section of Kaolin clay deposit along Atakpo Ako River valley

Fig. 12:         Cross sections of Kaolin deposit at Ubulu - Uku

Fig. 13:         Cross section of Kaolin deposit at Ozanogogo

Fig. 14 :        Cross section of Kaolin deposit at Omi - Oke spring valley Ukwunzu

Fig. 15:         Lithological sequence of lignite deposit at Obonifa

Fig. 16:         Cross section of Ogwashi - Asaba lignite deposit

Fig. 17:         Cross section of Ibussa lignite deposit

Fig. 18:         Map showing Obomkpa lignite deposit.

Fig. 19:         Stratigraphic Unit Profile of Lignite Deposits

 

LIST OF APPENDIX

Appendix 1     Surficial kaolin deposits at Ozanogogo

Appendix 2     Surficial kaolin deposits at Ibusa

Appendix 3     Geo-technical properties of sub-surface ore deposits at Anieze Area

Appendix 4     Physical properties of soil in Uzere Area

Appendix 5     Physical properties of soil in Saghara Area

Appendix 6     Granulometric analysis of soil in Eriemu Area

Appendix 7     Silica deposits from Satellite imagery in River Niger Area

Appendix 8     Another River Niger Sand deposits

Appendix 9     Solid mineral deposits in Aniocha North

Appendix 10   Solid mineral deposits in Aniocha South

Appendix 11   Solid mineral deposits in Ika South

Appendix 12   Solid mineral deposits in Oshimili South

Appendix 13   Solid mineral deposits in Uvwie & Udu

Appendix 14   Solid mineral deposits in Ughelli South

Appendix 15   Solid mineral deposits in Isoko North & South

Appendix 16   Solid mineral deposits in Ethiope East

 

LIST OF PLATES

Plate 1:          Consultation with local stakeholders at Ubulu-Uku

Plate 2:         Abandoned caravan used as administrative offices during active years of exploration and exploitation at Ubulu-Uku in the 1960's and 1970's

Plate 3:         Lobes of Kaolin deposit at Ubulu-Uku

Plate 4:         At the foreground, a Plateau of Kaolin deposit in Ubulu-Uku

Plate 5:         Beddings of strata of Kaolin deposit at Ubulu-Uku

Plate 6:         60 Underneath pockets of Kaolin exposition at Ozanogogo

Plate 7:         Exploitation of Pockets of Kaolin deposits at Ozanogogo

Plate 8:         Deep pit mining of Kaolin deposit at Ozanogogo

Plate 9:         Surficial deposits of Kaolin at Ukwunzu

Plate10:        Localized excavation of Kaolin at Ukwunzu

 

LIST OF TABLES

Table 1         Distribution of Mineral resources in Delta State

Table 2:         Community Consultation

Table 3:         Professional work achievement by personnel of Delta Geosciences Company Limited

Table 4:         Composite sample distribution

Table 5:         Colours of aliquot and wavelength of spectrophotometric analysis

Table 6:        Location of studied boreholes

Table 7:         Chemical analysis of silica sand

Table 8:        Physical (siere size) analysis of silica (sand)

Table 9:        Geotechemical analysis of selected borehole site

Table 10:       Chemical analysis of kaolin and clay

Table 11:       Typical composition of kaolin and clay for various industrial application

Table 12:       Clay mineralogy of selected samples in Delta State

Table 13:       Geotechnical properties of selected clay samples in Delta State

Table 14:       Physical properties of fired clays in Delta State

Table 15:       Chemical analysis of lignite samples

Table 16:       Lignite deposits reserves in Nigeria

Table 17:       Summary of estimated reserves of industrial raw materials in Delta State

Table 18:       Over burden - urgent ratio of Ogwashi - Asaba Area

Table 19:       Roof rock materials

Table 20:       Equipment, uses and manufacturers addresses for silica sand

Table 21:       For Kaolin and clay

Table 22:       For lignite

 
LIST OF CHARTS

1.       Chemical analysis for silica deposits in Delta State

2.       Loss on ignition chemical analysis of silica sand

3.       Variation of silica dioxide in silica sand deposits

4.       Variation in phosphorus content

5.       Variation in calcium oxides

6.       Variation in ferrous oxides

7.       Composite status of kaolin in Delta State

8.       Chemical analysis of kaolin in Delta State

9.       Chemical analysis of lignite sample in Delta State

10.    Ultimate analysis of lignite samples in Delta State

 

LIST OF ABBREVIATIONS AND ACRONYMS

NCC  -           Nigerian Coal Corporation

AAS  -           Atomic Absorption Spectrophotometers

LOI  -            Loss on Ignition

C%   -            Percentage of carbon content

H%   -           Percentage of hydrogen content

N%   -           Percentage of nitrogen content

S%   -           Percentage of sulphur content

0%   -            Percentage of oxygen content

H20  -           Water content

P205  -          Phosphorus oxides

MnO  -          Manganese oxides

FeO  -           Ferrous oxides

K2O  -           Potassium oxides

Na2O  -         Sodium oxides

CaO  -           Calcium oxides

MgO  -          Magnesium oxides

TiO2 -           Titanium oxides

Fe2CO3  -      Ferric oxides

A1203  -        Aluminium oxides

SiCO2  -        Silica oxides