Kai Tak clay

Material category:

Soil / Soil based (organic/mineral)

Identification number:


Sample produced by:


Sample date:

14 Nov 2022 (Received)

Sample condition:


Site-driven material

This soil was salvaged from a construction project in Kai Tak. It is part of a project by Niko Leung and Loky Leung, the co-creators of Hong Kong Soil (@hongkongsoil) , who are advocating for meaningful reuse of discarded soil from local construction sites. The soil is processed and refined to be used in rammed-earth construction or as pottery clay.

Sample collected by: Hong Kong Soil

Location of Sample Extraction:

Kai Tak, Hong Kong

22.3246084, 114.1990482

Depth of sample extraction:

> 100 cm

Slope at extraction point:

< 35°

Land Use:

Vacant land/construction in progress


5YR 8/2

Soil Structure

Organic Matter: 0.0 %

Coarse: 0.0 %

Sand: 0.0 %

Silt: 17.0 %

Clay: 83.0 %