CEO of GRbuma Develops ‘New Formula’ for Nickel Grade Estimation

Hybrid AI & Archimedes’ Law Innovation Delivers 97% Accuracy, Meeting the Demands of Mining 5.0 Era As the mining industry accelerates into the era of Mining Industry 5.0, the demand for uncompromising data accuracy has reached an all-time high. Addressing this global challenge, an Indonesian academic has made a significant breakthrough on the international stage. […]
CEO of Grabuma Presented The New Approach To Grade Estimation

Grabuma CEO Veriyadi had the opportunity to speak at the 2025 Mineral Resource Evaluation Conference organized by the Geological Society of London in London, United Kingdom. Veriyadi introduced a novel approach to grade estimation that improves upon both geometric and geostatistical methods. In geostatistical methods, estimation accuracy depends on the spatial correlation between samples and […]
Feasibility Study And Financial Modelling Report for Bete-Bete Limestone Project

PT. Garumedang Buana Mandiri (GRabuma) was engaged by PT. Hengjaya Mineralindo (HM) to conduct a Feasibility Study and Financial Analysis of the Bete-Bete Limestone Project, located in Bungku Pesisir District, Morowali, Central Sulawesi, Indonesia. The Feasibility Study and Financial Analysis were conducted following the Pincock perspective (Pincock, et al., 2009). The cost estimation in this […]
Mine Financial

GRabuma offers comprehensive services in mineral asset valuation, covering the entire process from early-stage exploration through to production. Our mineral asset valuation adheres to SAMVAL standards as well as other relevant codes. GRabuma has expertise in valuation using market, cost, and income-based approaches. Beyond deterministic methods, we also provide stochastic and probabilistic valuations, incorporating flexibility […]
Revolutionizing Mineral Valuation: Grabuma CEO Introduces AI-Powered Hybrid NPV in South Africa

Veriyadi, CEO of PT Grabuma, spoke at the International Mineral Asset Valuation event held in Sandton, Johannesburg, South Africa. The event was organized by International Mineral Valuation (IMVAL), CIMVAL of Canada, VALMIN of Australia, and SAMVAL of South Africa, and took place from October 1 to 3, 2025. Veriyadi introduced a new method for valuing […]
Optimizing Pit Limits Using a Stochastic Approach

The stochastic approach has played a critical role in optimizing the pit limit. The growing demand for stochastic methods is driven by increasing uncertainty in mining projects. For example, the uncertain true grade in block models necessitates the use of simulations. Recently, not only technical factors but also financial risks—such as commodity prices and costs—have […]
Canada Mining Mission at Indonesia Miner 2025

JAKARTA, 9–12 June 2025. On June 9, 2025, the Canadian Embassy organized a meeting for Canadian companies involved in Indonesia’s mining industry. The meeting began with an industry briefing followed by group discussions on the potential market in Indonesia. The CEO of Grabuma, Veriyadi, attended the meeting alongside Nancy, the Executive Director of Threedify Inc. […]
INDONESIA MINER 2025 – Introducing Threedify Geological & Mine Design Software to the Southeast Asian Market

GRabuma, as the exclusive agent for Threedify and Threedify Inc. from Canada, attended INDONESIA MINER 2025 at the Westin Hotel, Jakarta. Threedify presented a brief introduction organized by the Canadian Embassy, which was attended by participants from the mining sector. This event allowed us to connect more closely with clients, many of whom were interested […]
Threedify Demo for Mining One Australia

Threedify Inc. has an opportunity to demonstrate its products to a mining consultant from Australia. Mining One Consultants has global experience, with offices in Melbourne, Perth, Brisbane, Adelaide, Beijing (China), Jakarta (Indonesia), Vancouver and Toronto (Canada), Ghana, the United Kingdom, and South Africa. The demo was presented live from Ottawa by Dan Jiang, CTO of […]
Your solution in exploration, mine optimization and production

Threedify Geological Software & Mine Design has expanded its presence in the Southeast Asian market by signing an agreement with the Indonesian company PT Grabuma. With the motto “The Only All-in-One Platform”, Threedify integrates technical and economic modeling to address mining and exploration challenges. We are unique in offering distinctive products. During exploration, we provide […]