Use Rex with high health a paracer with 2 cannons mounted make a large storage box for cannonballs and then make elemental face Rex and aggro soak hits and line up paracer and cannons behind the Rex for quick and easy headshots
There is a great little natural passage that you can kite the golem in to at 64.1 - 49.9. We tame all our Golem there. They can't get out but once tamed can be moved out. It offers a great firing position for your cannon.
PRO TIP: on 2x taming weekends (Evolution Events) on official servers. You can knock out a level 20 or below elemental, slap some sulfur in it, and call it a day as it will not require narcotics on 2x but WILL still take 4 hours.
Build 5 stone dinosaurs gates and place them beside each other they should snap... now remove the middle and drag a Golem and lead it in the middle section.. now the Golem is stuck the paracer should be holding the cannon or any KO weapon face the cannon to the Golem and start shooting its head if the Golem is aggro on the stone gates go up to it until he losses aggro and focuses on you grab a shield so it will take less damage while it throws rocks at you the Golem can't run away because the two gates are holding him... hope this work make sure to carry extra ammo for the weapon if you miss the head
Try kiting it into some rocks. Best way to do it is to use pillars three high so he can't get passed them maybe six or seven wide. Park your parcer about six foundations away and place two more sets of pillars behind the parcel three high to block all rocks thrown. Fire away
Incase you didn't know, rock elementals take headshots. If you hit anywhere else it doesn't count. Don't waste your cannon balls. If you can't get it straight on, aim lower because aiming higher isnt normally within its hit box.
Fly a Petra so it is stopped just above its head, it wont hit you just look at the ptera.
Jump off, place a foundation facing it head on about 10 foundations away. place cannon and fire away.
It wont do anything other than stand still looking at the birdie hovering above its head while you hit it in the face with cannonball!
Easy peasy solo tame