From Drilling to Mining for Field Mine Technicians – Online or In-Person in Bristol, UK & Johannesburg, SA
Presenters: Julian Aldridge – Regional Manager; Senzeni Mandava – Principal Consultant; Laurie Hassall – Senior Consultant
Understanding the importance of best practice sampling and the impact of sampling errors
This 1-day course will give you an understanding of the mine value chain from exploration through to production; what goes into making a mine; a review of exploration, resource definition and grade control sampling methods; splitting techniques; and the practical aspects of sampling errors.
Areas covered in this course include:
- Discovery:
Find anomalies (geochemical, geophysical, geological), test anomalies (drilling types and sample types); define resources (volume and grade estimation from data); define reserves (optimisation and cost considerations); production; open pit and underground mining methods and terminology. - Sampling:
Exploration sampling methods (rock chip, channels, RAB, LAG); resource definition sampling methods (RC and DDH drilling); grade control sampling methods (open pit and underground), process control sampling (briefly) and QC samples. - Sampling errors and how to minimise them:
Correct; incorrect; sub-sampling methods; core cutting; splitting methods; sampling blasthole cones; pulp and reject. - Ore control:
Open pit (spotting, floor levels); underground (ore-tracking).
Open-Book Post-Course Assessment Exam

Key Points:
Open-Book Exam: You can use your course materials during the exam to assist you.
No Extra Cost: The exam is included in the price you have already paid for the course.
Graded Certificate: Upon successful completion, you will receive a graded Certificate of Assessment, showcasing your achievement.
We encourage you to take advantage of this opportunity to earn your Certificate of Assessment, which can be a great addition to your professional portfolio.
Duration (in days)
3
Registration
To register for this training course or to request additional information, please email training@snowdenoptiro.com
Terms and Conditions for Snowden Optiro Training Courses
Course Registration
- By registering for the course, participants acknowledge that they have read, understood, and agreed to these Terms and Conditions.
- Registrations are accepted either through the Registration on this page or by email request to training@snowdenoptiro.com
Payment
- A Purchase Order or full payment by EFT (Electronic Funds Transfer) prior to the course start date is requested.
- Payment details will be provided on the invoice.
Cancellation and Refund Policy
- Cancellations received 14 days or more before the course start date: Participants will receive a full refund.
- Cancellations received less than a week (7-days) before the course start date: No refund will be issued. However, participants may nominate a replacement attendee to take their place, either as an online attendee or an in-classroom attendee.
- All cancellation requests must be submitted in writing via email to training@snowdenoptiro.com
Course Changes and Cancellations by Us
- We reserve the right to cancel or reschedule courses if necessary. In such cases, participants will be offered a full refund or the option to attend a rescheduled course or an alternative course of equal value.
- We will notify participants of any changes or cancellations at the earliest opportunity.
Participant Substitutions
- Participant substitutions are allowed up to the start date of the course. The replacement attendee must provide their contact information prior to the course start date.
- All substitution requests must be submitted in writing via email to training@snowdenoptiro.com
Course Materials and Access
- Participants will receive all necessary course materials and access information prior to the course start date.
- Course materials are for the exclusive use of the participant and may not be shared, distributed, or reproduced without our prior written consent.
Liability
- We are not liable for any loss, damage, or injury incurred by participants during the course.
- Participants are responsible for their own personal belongings and travel arrangements.

