 Complete the following phrase:   which was published in Paris in 1807, describing what was probably torbanite from the Newnes deposit. Around 1850, oil shale was discovered at Joadja Creek. In 1854, oil shale from the River Lett near Hartley, New South Wales was exhibited at the Paris Exhibition and in 1862, oil shale from Murrurundi, New South Wales was exhibited at the 