Minerals01
Critical & strategic minerals
Vanadium, gallium, REE, niobium, graphite and bauxite: NMEDT exploration from reconnaissance to preliminary stage.
Mineral explorationGeoscience and exploration
Geo Marine Solutions
Exploring Earth & Ocean
A science and technology services company: geology, geophysics, hydrography and resources across land, rivers, reservoirs, coasts and the seabed.
Offices in Mangalore, India and Ghana, West Africa
Minerals
Land02
Field geology on land
Mapping, topographic survey, drilling, sampling and resource estimation across mineral blocks.
Land environment
Coast03
Coasts, beaches and placers
Beach profiling and heavy-mineral exploration in India, Somaliland, Sri Lanka and West Africa.
Coastal environment
Offshore04
Marine & offshore resources
Hydrography, geophysics and resource studies: Abu Samra sand in Qatar to Andaman Sea crusts.
Marine & offshore
Data05
From data to decision
3D geological modelling, resource estimation and strategic advice for investors and regulators.
See the workflowProjects
A record of work, in numbers
Select a tile to see each project with its client, year and location.
From data to decision
Survey data is the start. The decision is the product.
Geo Marine Solutions carries a programme from survey through interpretation to resource assessment and advice. Every step below is backed by work in the portfolio.
Survey
Planning the programme: choosing methods, blocks and survey lines for the environment and the question.
From the portfolio
Offshore limemud block selection for the 2024 auction.
Open this projectData acquisition
Echo sounders, sonar, Total Station, DGPS, drones, drilling rigs and field sampling.
From the portfolio
Hydrographic survey plus drone topographic survey of a 132 sq km reservoir.
Open this projectProcessing
Bed contours, storage–elevation curves, digital charts, sample processing and laboratory studies.
From the portfolio
Bathymetry converted to a storage–elevation curve for siltation assessment.
Open this projectInterpretation
Geological, geophysical and sedimentological interpretation of what the data shows.
From the portfolio
Sub-bottom profiling interpreted for an offshore sand-supply project.
Open this projectResource assessment
Estimating what is there: sediment, sand, heavy minerals, critical minerals, limemud, nodules.
From the portfolio
3D geological modelling and resource estimation of marine sand.
Open this projectTechnical evaluation
Capacity, siltation, feasibility screening and scoping against the client’s objectives.
From the portfolio
Scoping study on dredge mining of offshore limemud with IHC Mining.
Open this projectStrategic advisory
Due diligence, mining strategy and policy input for investors and regulators.
From the portfolio
Due diligence and mining strategy for REE, Nb and Zr resources in a Rajasthan block.
Open this projectWho we are
Earth science, from the hills to the seabed
A science and technology services company with a vision to take a proactive role in nation building through the latest scientific knowledge in the Earth System Sciences.
Team leaders are former scientists of the Geological Survey of India and the National Institute of Oceanography, each with more than three decades of onshore and offshore survey and exploration experience.
Our vision
To be the leading Earth Science service provider in India, with cutting-edge technologies and the latest scientific knowledge for client organisations.
Our mission
To serve industry in the sustainable use of natural resources, with value-added services for natural resource management and infrastructure development.
Our core capabilities
Six disciplines, one team
Marine and offshore work is one major strength among several. Each card opens its own page and the projects behind it.
Marine & coastal
Hydrographic, geophysical and geotechnical work from beaches and ports to the offshore seabed.
- Hydrographic and oceanographic surveys
- Nearshore, inshore and port bathymetry
- Side-scan sonar and sub-bottom profiling
- Beach profiling with DGPS and Total Station
- Tide and current observations
- GIS-supported marine ecological and fisheries studies
Geological & mineral exploration
Reconnaissance to preliminary exploration, field programmes, laboratory work and resource estimation.
- Geological mapping and topographic surveys
- G4 to G2 stage mineral exploration
- Critical minerals: V, Ga, REE, Nb, Zr, Sc, graphite, bauxite
- Heavy mineral and placer exploration on beaches and dunes
- Laterite and associated mineral exploration
- Polymetallic nodules and crusts; offshore limemud
Hydrographic & inland water
Reservoirs, dams, rivers and lakes: capacity, sediment and the resources they hold.
- Reservoir bathymetry and storage-capacity assessment
- Siltation and sedimentation studies
- River-bed mapping with grid-based sediment sampling
- Lake bathymetry and carrying-capacity studies
- Storage–elevation curves and bed contours
- Sand-resource evaluation in rivers and creeks
Geotechnical & engineering
Subsurface investigation for ports, jetties, breakwaters, dams and urban infrastructure.
- Marine geotechnical (subsoil) investigation
- Breakwater and jetty investigations
- Offshore drilling and vibrocoring
- SPT drilling in urban areas
- Exploratory bores and soil classification at dams
- Landslide-prone area studies on highways
Geospatial, UAV & remote sensing
Aerial, satellite and ground survey methods that turn terrain into measured volumes.
- Drone (UAV) surveys and topographic mapping
- Volume estimation of legacy waste dumps
- DGPS and Total Station surveys
- SAR-based reservoir sedimentation assessment
- UAV magnetic, EM and radiometric surveys with Radai Oy
- GIS mapping and digital bathymetric charts
Resource & mining advisory
Interpretation, evaluation and technical advice that carries survey data through to decisions.
- Strategic due diligence and mining strategy
- Offshore block selection and auction support
- 3D geological modelling and resource estimation
- Scoping studies on dredge mining and metal extraction
- Technical consultancy on offshore mineral rules (OAMDRA)
- AI-based predictive exploration modelling
In the field and the laboratory
Our own photographs, from the work
Mapping traverses, auger sampling, field verification, mineral separation and survey platforms. Open the full gallery.
Environments we explore
Land, rivers, reservoirs, coast and offshore
One continuous cross-section, six environments. See what the team surveys, samples and evaluates in each.
Minerals & critical minerals
Exploration from reconnaissance onward
A NABET-accredited Category A exploration agency, empanelled by the Ministry of Mines. 17 critical-mineral projects, most for the National Mineral Exploration and Development Trust.
9VVanadium
6GaGallium
7REERare earths
2NbNiobium
1CGraphite
5AlBauxite
Technology
Instruments and methods in the project record
Each tile counts the projects whose titles name the method. Open the technology page.
Hydrographic and bathymetric survey
Single-beam, dual-frequency echo sounding for reservoirs, rivers, lakes, ports and nearshore waters.
39 projectsSide-scan sonar
Seabed imaging for port development and shallow-water surveys off the Tamil Nadu coast.
3 projectsSub-bottom profiling
Sub-surface imaging for offshore sand supply in Qatar and port development at Karwar.
2 projectsDGPS and Total Station
Beach profiles, reservoir topography and mine-block topographic surveys.
4 projectsUAV and drone surveys
Topographic mapping, reservoir storage volumes and legacy-waste volume estimation. UAV magnetic, EM and radiometric surveys with Radai Oy.
11 projectsRemote sensing and SAR
Synthetic-aperture radar for reservoir sedimentation assessment, for the Central Water Commission.
1 project3D geological modelling
Orebody and sediment-body modelling with resource and reserve estimation.
2 projectsDrilling and coring
Auger, SPT and offshore drilling, exploratory bores, vibrocoring and sediment coring.
6 projectsSediment sampling and laboratory studies
Grab and grid-based sampling, granulometry, sample processing and mineral separation by magnetic and gravity methods.
6 projectsGeophysical data interpretation
Marine geophysical and magnetic data interpretation for exploration and ground investigation.
7 projectsGIS and digital charting
GIS-supported fisheries mapping and digitisation of bathymetric charts and maps.
3 projectsAI-based predictive exploration
Predictive modelling for base metals and lithium, with ZIRAAF International, Dubai.
1 project
Growth
A portfolio that widened year by year
Government departments, research institutions, universities, ports, mining and engineering organisations, and private and international clients. Browse every project.
Projects per year, by discipline
Select a year to list its projects. Bars are counted by project start year.
- Marine & coastal
- Inland water & reservoirs
- Minerals & exploration
- Geotechnical & engineering
- UAV & remote sensing
- Advisory
2014–2018Coastal profiling, nearshore bathymetry, geotechnical studies, first reservoirs; Qatar hydrographic work in 2018.
2019–2023Reservoir and dam capacity, drone surveys, marine geophysics, limestone exploration, heavy minerals in Somaliland.
2024–2027NMEDT critical-mineral exploration, offshore mining scoping with IHC, SAR remote sensing, strategic advice.
Industries
Where the capability is applied
Choose a sector to see the projects behind it. A project can serve more than one sector. All industries.
Mining & minerals
Exploration, resource estimation and due diligence.
33projectsPorts & harbours
Hydrographic, geophysical and ground investigations.
6projectsCoastal infrastructure
Beach profiling, protection programmes, breakwaters.
19projectsWater resources
Rivers, lakes and reservoirs: bathymetry and sediment.
36projectsDams & reservoirs
Storage capacity, siltation and safety-related surveys.
27projectsMarine & offshore
Offshore geophysics, geotechnics and resource studies.
28projectsEnvironmental studies
Marine ecology, EIA data and waste-volume estimation.
12projectsInfrastructure
Subsoil and geotechnical investigation for construction.
30projectsGovernment projects
Ministries, state departments, PSUs and agencies.
59projectsResearch & academia
Institutes and universities as clients and collaborators.
18projectsResource development
Evaluation and advisory from survey data to strategy.
43projectsInternational project experience
Projects in 5 countries and regions beyond India
Qatar, Somaliland, the West African coast, Thailand and Sri Lanka, with an office in Ghana for West Africa operations.
Clients
Trusted by ministries, ports, utilities and industry
All 45 client organisations
- Qatar Primary Materials Company (QPMC), Qatar
- National Mineral Exploration and Development Trust (NMEDT), Ministry of Mines, Govt. of India
- UltraTech Cement Limited, India
- GoldCoast Resource Corp., Canada
- Indo-Som Minerals Pty. Ltd., Hargeisa, Somaliland
- Helion Mineral Group, UAE
- Gujarat Fluorochemicals Limited, India
- Oceanic Sands Pvt. Ltd., India
- SBICAPS, India
- Indian Maritime University, Govt. of India, Chennai
- Central Water Commission (CWC), New Delhi, India
- New Mangalore Port Authority, Mangalore, India
- Tamil Nadu Generation and Distribution Corporation (TANGEDCO), Chennai, India
- Remal Alcast Pvt. Ltd., India
- Department of Mines and Geology, Karnataka
- Maharashtra Maritime Board, Mumbai
- Gulf Laboratories Co. WLL, Doha, Qatar
- Mineral Exploration Research and Innovation Trust (MERIT), Govt. of Andhra Pradesh
- National Institute of Ocean Technology (NIOT), Chennai
- Indian National Centre for Ocean Information Services (INCOIS), Hyderabad
- Metallurgical & Engineering Consultants (India) Limited (MECON), India
- Kerala State Electricity Board Limited (KSEB), Kerala, India
- Feegrade & Co. Pvt. Ltd. – S R Rungta Group
- HOV Environment Solutions Pvt. Ltd., Pune
- National Institute of Technology Karnataka (NITK), Surathkal, Mangalore
- FCG ANZDEC Limited, New Zealand
- Tata Power Company Limited, Mumbai
- Minor Irrigation Department, Govt. of Karnataka
- Ihsan Drilling and Contracting Co., Somaliland, Africa
- Central Marine Fisheries Research Institute (CMFRI), Mangalore
- Karnataka Engineering Research Station, Govt. of Karnataka
- Euro Mott MacDonald BV, Mangalore, Karnataka
- Ellath Enterprises, Goa
- Karnataka Power Corporation Limited (KPCL), Govt. of Karnataka
- Kerala State Mineral Development Corporation Limited, Trivandrum
- Kudremukh Iron Ore Corporation Ltd, Bengaluru
- Tahal Consulting Engineers India Pvt. Ltd, Haryana
- Geological Survey of India, Bangalore & Hyderabad
- National Institute of Technology Calicut (NITC), Kerala
- Department of Ports & Inland Water Transport, Govt. of Karnataka
- Cauvery Neeravari Nigama Limited, Tumakuru, Karnataka
- National Geophysical Research Institute (NGRI), Hyderabad
- Amrita Vishwa Vidyapeetham, Coimbatore
- Larsen & Toubro Limited Construction, Chennai
- ZIRAAF International, Dubai
Get in touch
Bring us the terrain and the question
Tell us about the site, environment or resource. We will come back with a proposed approach.
- OfficeGeo Marine Solutions Pvt Ltd
15-17-909/9, 5th Cross Shivabagh
Kadri, Mangalore – 575005
Karnataka, INDIA
View location - Ghana officeWest Africa operations. Contact the Mangalore office or write to us for details.
- HoursMonday to Friday, 9:30am – 5:30pm