Looks as though there was some type of leak coming from high, possibly the radiator hose and dribbled down, accumulated and hardened. Does look creepy though.
I agree that is was the coolant but didn't realize it would accumulate like that. I did the complete waterpump/timing belt and related components after getting everything spic and span.
I found this cream puff with only 114k on it.
Last edited by pedalquickly; 01-26-2020 at 09:15 PM.