Delaunay representation of slabs

# Perspective images of slab models

### Oli Gudmundsson amd Malcolm Sambridge

Research School of Earth Sciences, Australian National University, Canberra, ACT 0200, Australia.

Below are views of seven of the twenty four slabs generated for this study together with a small map showing contours used to construct the 3-D slabs.

## Marjapkur

Marianas/Japan/Kuriles subduction zone. The figure above shows the contours used to construct the slab. The figure below consists of 1420 nodes and 3764 tetrahedra. The tetrahedra outside of the slab have been removed from this view.

## Indonesia

Indonesian subduction zone. The figure below consists of 2164 nodes and 5372 tetrahedra. The tetrahedra outside of the slab have been removed from this view.

## Aleutians

Aleutians subduction zone. The figure below consists of 648 nodes and 1443 tetrahedra. The tetrahedra outside of the slab have been removed from this view.

## South America

South American subduction zone. The figure below consists of 3312 nodes and 9009 tetrahedra. The tetrahedra outside of the slab have been removed from this view.

## Tonga

Tongan subduction zone. The figure below consists of 1453 nodes and 3679 tetrahedra. The tetrahedra outside of the slab have been removed from this view.

## Molucca

Moluccan subduction zone. The figure below consists of 1073 nodes and 2907 tetrahedra. The tetrahedra outside of the slab have been removed from this view.

## Philippines

West Philippines subduction zone. The figure below consists of 422 nodes and 858 tetrahedra. The tetrahedra outside of the slab have been removed from this view.

Acknowledgement: All perspective images were created with interactive geometry tool Geomview available from the Geometry centre .

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Last modified: September 1996 malcolm@rses.anu.edu.au