Planktonic Foraminifera and Polarity Reversals in New Britain Sediments

Samples from the Rudiger Point-Cape Ruge area in New Britain, Papua New Guinea, challenge previous assumptions about the geological sequence. The data indicates two age groups, one of general middle Miocene and a younger late Miocene age, with a late Pliocene-middle Pleistocene sample representing the youngest known marine sediment in the region. The dataset, hosted by the Australian Ocean Data Network, correlates planktonic Zone N.18 with a normally magnetized interval.

Use Cases

• Re-evaluating late Miocene-earliest Pliocene stratigraphic sequences based on the described age discrepancies.
• Correlating planktonic foraminifera zones with paleomagnetic data based on the mentioned link between Zone N.18 and a normally magnetized interval.
• Dating the youngest marine sediments in New Britain based on the identified late Pliocene-middle Pleistocene sample.
• Analyzing the distribution of middle and late Miocene age groups in the Rudiger Point-Cape Ruge area.

Strengths

• Provides a specific geological reassessment for the Rudiger Point-Cape Ruge area in New Britain.
• Identifies the youngest known marine sediment in New Britain as late Pliocene-middle Pleistocene.
• Correlates a planktonic foraminifera zone (N.18) with a paleomagnetic polarity event.

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

Collection Method

Samples collected from the Rudiger Point-Cape Ruge area, New Britain.

Time Range

Middle Miocene to middle Pleistocene

Freshness

Last updated 2026-04-28 13:44:23.926282; freshness should be verified

Geography

Rudiger Point-Cape Ruge area, New Britain, Papua New Guinea