The arm holding a miner's pick at the top represents the early South Australian mining industry that provided wealth to the state.
The lion symbolises England from where the first settlers came and the kangaroo symbolises Australia, the country to which they came.
On the shield is
- a three masted ship typical of the vessels that sailed to and from South Australia
- a golden fleece representing our sheep industry
- a bull's head symbolic of our cattle industry
- a golden wheat sheaf representing our farming industry