These were out of our creek.
Sorry for not getting in touch while we were there - we didn't really get to spend much time on the prospecting - my partners car lost its breaks the first day (like, ejected one of the rear break pads and lost all the break fluid - thankfully he was driving slowly so didn't hit anything), so we lost a couple of days to getting that sorted, and my health issues flared up, so I wasn't able to get to the creek. It was one of those trips where anything that could go wrong went wrong. My partner did manage a second trip to the creek when he went back with his son to collect my car, this time with a bait pump, so he was able to collect some better dirt with that (until it lost a wing-nut and stopped working
)
We still have some dirt to process when we have time, but we will hopefully be back around Queens Birthday weekend, as my partner has some work to do there, so now we have a better idea of what we are doing we are hoping to have a bit more success!
In the mean time, a photo of what we have collected so far!
View attachment 9715
Thanks everyone for all the help and advice!