Zealandia Deep Stratigraphic Drilling Proposal and Collaboration Overview

Geoscience Australia and the Japan Agency for Marine Earth Science and Technology have collaborated since 2014 on a proposal for deep scientific drilling on the Lord Howe Rise in northern Zealandia. The goal is to collect rock cores from several kilometers below the seafloor to analyze a 100-million-year history of geology, tectonics, past climate, and ancient microbial life. The proposal has been approved by the International Ocean Discovery Program, awaiting funding.

Use Cases

• Modeling tectonic stretching and basin formation based on the described geological history of Zealandia.
• Reconstructing past climate dynamics based on the analysis of deep sediment cores.
• Studying the limits of ancient microbial life based on the potential discovery of biomarkers in rock cores.
• Analyzing the stratigraphic record to understand the 100-million-year separation of Zealandia from Australia.

Strengths

• Collaboration involves two major scientific institutions, Geoscience Australia and JAMSTEC, since 2014.
• Proposal is approved by the International Ocean Discovery Program, a long-running global scientific collaboration.
• Aims to unlock a 100-million-year geological and climatic history from the cores.

Limitations

• Description metadata is limited; actual data quality requires manual inspection after download.
• Column-level documentation is absent; field semantics must be inferred after download.
• Row count is unknown, which may limit suitability assessment.

Provenance

Source

Australian Ocean Data Network, via data_gov_au.

Collection Method

Proposed scientific drilling and core collection by the International Ocean Discovery Program.

Time Range

The research aims to analyze a history spanning up to 100 million years.

Freshness

Last updated 2026-06-27 19:07:22.804225; freshness should be verified.

Geography

Lord Howe Rise, northern Zealandia, in Australia's maritime jurisdiction.