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Table of contents

Contents Acknowledgement Letter transmittal Objective of the report Abstract Introduction Part I The Company Site Location Mission and vision statement Core values Corporate structure Organizational structure ................................... .................................... .................................... .................................... ....................................

Page Nos. i ii iii iv v

.................................... .................................... .................................... .................................... .................................... ....................................

1 1 2 2 3 4

The Sto. Tomas II Ore Deposit Location Geology Lithology History and production Mining method Part II Divisions and Departments

.................................... .................................... .................................... .................................... .................................... ....................................

5 5 6 10 12-20 21-32

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33

The administrative division The human resource department The safety department The geology department

.................................... .................................... .................................... ....................................

33 33 33 35

PHILEX MINING CORPORATION

1

The Mine Division

A. Planning department

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40

B. Mine development department

..........................

43

C. Mine production department

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44

D. Mechanical/Electrical services Group .........................

45

The Mill Division

...........................

46

A. Mill maintenance

...........................

46

B. Metallurgy department

.............................

46

C. Metallurgy test and research section

............................

48

D. Mill Engineering section

.............................

48

E. Assay department

............................

48

F. Tailings pond

...........................

49

PHILEX MINING CORPORATION

2

Environmental and Community Relation

A. Environmental management

....................................

B. Labor relations

....................................

C. Community development

....................................

D. The security department

....................................

E. Major awards/citations

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Part III-Appendix A. B. Pictorials Other documents

....................................... ....................................... ....................................

PHILEX MINING CORPORATION

3

ACKNOWLEDGEMENT

The worth remembering experiences, the breath taking challenges, the learning adventures - these would be nothing without the presence of the following persons whom I awe a lot my thanks in allowing me to experience all of those first time and unforgettable remarks in my life. Allow me to acknowledge the names of the following persons who serve as my inspiration in accomplishing this terminal report. Without your presence, I would not have a great on-the-job-training and this report would not have been written. To our Heavenly Father, I am very much thankful for the ever burning guidance and protection. Your presence serves as our provider of light when we are in darkness, our best guide when we are lost and our savior when I am at risk. To my family, Daddy Kid, Mamang Bon, Joy, Jr, and Jalal for their never ending love and untiring support both in moral and financial aspects. You serve as my strength especially when challenges come. To Engr. Osita L. Catipay, Chair-Mining Engineering Department for giving us the privilege to undergone the said Mine and Mill Practice in Philex. Even you are in difficulties emotionally, your still always there for us as our second mother. To Engr. Armando L. Malicse, for imparting his knowledge in safety and structural geology. The lessons we took up give us an early overview on the different conditions in underground. To Engr. Ramon G. Roa, for the dedication in teaching the principles and theories inside underground mining, rock mechanics and mineral exploration. Your teachings were never been wasted as we applied it in underground duties. To Engr. Samuel O. Tagsip, for sharing his knowledge in all metallurgical subjects. Our discussions give us an edge from our fellows. To Engr.Pepito T. Echavez, for imparting his knowledge in underground surveying. It helped us to easily understand the activity procedures in the surveys underground. To all the managers, supervisors, coordinators, miners, for all the knowledge and information shared to us. Your enthusiasm and generosity are worth recognizing.

PHILEX MINING CORPORATION

4

To Sir Cocoy and Maam Sherryl, for all the patience and in making this OJT memorable.

To Mommy Julia, Mommy Julia, Mommy Louei, Mommy Weng, Mommy Marlyn and Mommy Judith for the unconditional love and for the best effort you exerted just to meet our wants. To all my fellow OJTs, our bonding experiences, our cultural differences, our

exchange of laughter and unique individual characteristics made this whole training unforgettable. Especial mention to all my group mates whom I shared most of my time in my underground duties, both in serious and funny moments. I will miss our stupid moments underground. Thank you Joseph, Leomar, Vincent, Billy, Carol, Mark, and Earvin. You will be always treasured and remembered.

PHILEX MINING CORPORATION

5

ABSTRACT

The Mine and Mill Practices accomplished in Philex Mining Corporation in Padcal, Tuba , Benguet, which lasted for 45 days was chiefly the application of the theories and lectures studied from school. This report discusses the history of Philex Mining Corporation and its ore body, which is the Sto. Thomas II and three main divisions of operation were tackled.

In Mine Divisions, the paper focuses on the mine planning and design, development and production of the mine with some figures, tables and plans.

In Geology Division, the district and regional setting of the ore body were presented with the help of cross-sections, figures and maps. It also comprises of lectures regarding the exploration, mineralogy and petrography, ore reserve, underground sampling and mapping, diamond drilling and core logging and engineering geology.

In Metallurgical Division, the milling process undergone by the proper run of mine ore from the primary crusher up to its concentrate and how the valuable metal contained in the ore were treated to be able to separate from its gangue.

PHILEX MINING CORPORATION

6

HIGHLIGHTS OF THE TRAINING

To become green and responsible mineral extraction company is a greatest challenge to all mining companies here in the Philippines. This is to answer the challenge given by antimining organizations. Today is the best time for everyone in the mining industry to stand and open the mine of those one sided individuals.

MINING, as one of the basic industry responsible for the development of the modern civilization, is also held as the prime mover that leads man to technology advancement.

Since minerals, the basic raw materials for technological manufacturing, are nowhere to found, explorations and development have always been found.

The prime purpose of this report is to acquire knowledge, information and skills in different aspects based on the actual observation on the daily activities in mining operation during the forty five days of training at Philex Mining Corporation. Through this training, the student trainee were exposed and became aware to all actual events that occur in the field and became motivated in pursuing the chosen careers.

Having enough knowledge in mining operations and became exposed in one of the most known responsible mining company of the country, the trainees are assumed to be prepared on their role as one of the prime movers and good ambassador for green mining.

This report aims to impart knowledge to the interested readers especially the Mining Engineering students who wish and plan to undergo their Summer Mine and Mill practice in Philex Mining Corporation.

PHILEX MINING CORPORATION

7

INTRODUCTION

Mine and Mill Practice is a pre-requisite subject in compliance in the Bachelor of Science in Mining Engineering course. This 6-unit subject undertaking is offered every summer term intended to pre-senior student and served as the actual application of the theories learned from school for it to be more effective. Its prime purpose is to expose the students to the actual scenario of his/her profession.

And so this year, eight (8) of the Cebu Institute of Technology - University Mining Engineering pre-senior students were sent to undergo their Mine and Mill practice at Philex Mining Corporation in Padcal, Tuba, Benguet, Philippines. Truly, Philex Mining Corporation is a gift of God, a work of Man, striving to become a world-class mineral extracting company.

In order to share our experiences especially to the Mining Engineering students who have not yet undergo their practice, the students consolidated all they had learned about the company to generate this report. This is based on the students observations and evaluations during the actual operation. This report will serve as guide to the succeeding train

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