⬡ GSA Website Preview — Draft Mockup May 2026
Geological Services Australia

Geology.
Anywhere.

Exploration geology, grade control, core logging, block modelling, and geotechnical services — self-contained remote field work, full mine geology, or remote desktop work available.

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Self-Contained Field Setup

Fully equipped remote field capabilities. No accommodation burden on your project.

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JORC-Compliant Deliverables

Every log and report meets JORC Code 2012 and AS 1726-2017 standards.

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12+ Years Geology

Open pit, underground, exploration, or remote work across Queensland and nationally.

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AusIMM Member

Professional membership. Full regulatory and compliance knowledge.

What We Do

Core Services

From first-pass exploration to production-stage grade control — GSA delivers geological and geotechnical capability at every stage of the mining cycle, without the overhead of a large firm.

Exploration fieldwork at a remote mountain campsite at sunset
01

Exploration

Remote field programmes, geological mapping, and survey work — fully self-contained for projects anywhere in Queensland and beyond.

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Drill rig and haul truck working an open pit mine bench
02

Mining

Production-stage grade control, block modelling, and core logging — the day-to-day geological backbone of an operating mine.

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Diamond drill core trays laid out for geotechnical logging
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Geotechnical

Site investigations and geotechnical logging to AS 1726-2017, with factual and interpretive reporting via an external RPEQ.

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01 — Exploration

Exploration Geology

Remote field programmes, geological mapping, and survey work — fully self-contained for projects anywhere in Queensland and beyond.

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02 — Mining

Grade Control & Mine Geology

Production-stage grade control, block modelling, and core logging — the day-to-day geological backbone of an operating mine.

← Back to Services
03 — Geotechnical

Geotechnical Services

Site investigations and geotechnical logging to AS 1726-2017, with factual and interpretive reporting via an external RPEQ.

← Back to Services
GSA TroopCarrier and drill rig on site — Queensland
Toyota LandCruiser
TroopCarrier
Field Platform
Unique Capability

No Accommodation.
No Logistics.
Just Geology.

GSA operates from a purpose-fitted Toyota LandCruiser TroopCarrier — a fully liveable remote field platform. Dave arrives with accommodation, equipment, and capability in a single vehicle. For remote programmes, this is a genuine cost and logistics advantage.

$0
Accommodation cost to client
DIDO
Drive-in drive-out capable
QLD+
Queensland & national reach
1 day
Typical mobilisation time
View Field Capability
Standards & Compliance
JORC Code 2012
AS 1726-2017
ISRM Rock Classification
AusIMM Member
Qld MRA & MQSHA
Professionally Insured
Dave Derham — Senior Geologist
AusIMM Member
JCU — BSc Geology (Hons)
12+ Years
About GSA

Senior
Experience.
Direct Service.

Dave Derham is a Geologist with over a decade of experience across a wide range of geological terranes, commodities, and industries. Dave brings geological capability directly to your project without the overhead of a large consulting firm.

Competent in most industry-standard software packages — and experienced across the full chain from raw drill data to JORC-compliant resource documentation.

About Dave

Ready to discuss
your project?

GSA is available for short and long-term engagements across Australia. Enquire for current availability and rates.

Send an Enquiry
📍 Based: Airlie Beach, QLD
🌐 Available: Nationally
⚡ Response: Within 1 business day
✉️ Email: dave@geologicalservicesaustralia.com.au
📞 Phone: +61 459 258 905