15-18 November 2017 (4 Days/3 Night)



Participants of this field excursion will be introduced to the tectono-stratigraphy of the North Borneo Basin by visiting outcrop areas of the Crocker, Kudat and Chert-Spilite Formations from the Kota Kinabalu to Kudat regions in Sabah. The Eocene-Oligocene Crocker and the Miocene Kudat Formations hosts a considerable amount of information on deep-water, fluvio-deltaic to shallow marine sedimentation with present day erosion allowing 3D-viewing of outcrops. The Crocker fold-thrust belt hosts the best examples of deep-water basin floor to slope fan complexes, making it the most sought after for studying fine-grained deep-water sedimentation. The Kudat Formation is a thick succession of predominantly sandy paralic to shallow marine sediments covering almost the entire northern peninsulas of Sabah. The Lower Cretaceous to Eocene Chert-Spilite Formation are part of the ophiolitic sequence that considered to provide the earliest evidence of basin development in Sabah.

Sabah, located in the northern part of Borneo and surrounded by three marginal basins: the Sulu, Celebes and South China Seas. The Cenozoic diverse structural trend and depositional framework of Sabah were the result of several regional tectonic events. Although Borneo is currently one of the least tectonically active parts of SE Asia, Paleogene events of the South China Sea was one of the most important geological processes and followed by folding and thrusting of the Crocker submarine fan. Northwest Borneo has been a heartland for hydrocarbon exploration with the discovery of major plays in Sarawak, Brunei and Sabah.

The island of Borneo has a rugged topography with the highest peaks located in the northern half of the island. The maximum elevation is Mount Kinabalu (7-8Ma) with more than 4,000m above sea level. However, most of the highest mountains in the Crocker-Rajang Range are in the range of 2,500-3,000m. Approximately 95% of the mountains in Borneo are below 1,000m. These have been affected by high erosional rates (mostly of chemical origin caused by the tropical climate with extremely high precipitation rates), which have resulted in high sedimentation rates in the basins around the island (Hall and Nichols (2002).



The objective of this three-day field trip is to gain a better understanding of the tectono-sedimentary history and stratigraphic evolution, basic depositional processes, facies development, controls on sedimentation patterns and depositional environment, reservoir geometry and architecture, and structural changes. It further aims to integrate different scales of observation and interpretation in the basin exploration.

The field trip is designed for beginner to advance exploration and development team members, with stops chosen to demonstrate the range of issues addressing exploration and development stratigraphy, petroleum system elements and reservoir distribution, geometry and architecture of NW Sabah.


  • Allagu Balaguru, Shell
  • Narender Pendkar, PETRONAS


Basic Field Trip Guidelines

  • Field trips are limited in size and are reserved on a first-come, first-served basis and must be accompanied by full payment.
  • A wait list is automatically created if a field trip sells out. We will notify you if space becomes available.
  • Before purchasing non-refundable airline tickets, confirm that the trip will take place, as trips may be canceled if under-subscribed.
  • We will continue to take registrations for field trips not canceled until they are either sold out or closed.
  • Prior to the field trip you will receive an itinerary with details of meeting points, transportation with the trip phone numbers and email addresses of hotels and trip leaders, etc.
  • Proper clothing and supplies are needed for the outdoors (hat, sun glass and sturdy footwear).
  • Depending on location, temperatures can vary with or without rain. Participants are advised to check local weather forecasts for latest updates.
  • Insect repellent and sun protection (sunscreen and hats) are highly recommended.
  • APGCE, the sponsoring organizations nor field trip leaders and their employers maintain insurance covering illness or injury for any individuals.


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