"It's a unique glimpse of an ancient ecosystem unmatched anywhere in the world," he said.
"This is our only window on Australia during the age of dinosaurs 130 million years ago."
Over the past year, Dr Salisbury has been working with the local Aboriginal community and Broome dinosaur enthusiasts to document the fossils near Woodside's proposed plant near James Price Point.
"Every time we come back there are new things emerging," he said.
"It would be very naive to believe that in a year we can figure it all out."
In July, WA's Environmental Protection Authority (EPA) recommended the State Government approve Woodside's gas hub on the condition that "if fossils are found, disturbance should be avoided wherever possible".