1/9 - Bronze
Once you've reached the first stable platform, you should be able to notice a bronze reward (#1). As you've probably suspected, you will have to climb down CAREFULLY in order to get it (#2). After that, go back up. This time you will have to make a few simple jumps.
1/6 - Silver
You should be able to reach a new platform very soon. IGNORE it for now. You will have to stay on the narrow ledge. Keep moving right (#1). You should be able to reach a new area very soon. Climb up and pick up the first silver reward (#2). Go back to the previous area.
2/6 - Silver
Once you've used the grapple, land on the new platform. Don't go to the nearest cave (it leads to the plane wreck area). Instead, turn around and start shooting at the right wall. There's a lot of ice here (#1). Once you've opened up a small alcove, make a single jump towards it and pick up a silver artifact (#1). You may proceed to the cave.
2/9 - Bronze
You will have to reach the wreck area. The second bronze reward is located near one of the large elements. You will have to crouch or make a dive roll in order to reach it (#1). Once you're there, turn right and pick it up (#2).
3/6 - Silver
Once you've reached the main part of the plane, ignore it and head on to the nearby platform. It's located on your right. Climb up and use the grapple. You will have to pull some of the metal objects (#1). Thanks to that, you will be able to make a safe jump towards the other side. Keep moving forward. There's a silver reward here (#2). Take it and go back to the plane.
3/9 - Bronze
Once you've finished making tough jumps, you'll find yourself inside a new cavern. Turn left. Use the grapple to get a bronze statue.
4/9 - Bronze
You will have to complete a new set of jumps in order to reach a small, but stable platform. Turn around. You shouldn't have any problems locating the new statue. It's near the movable platform (the one you have used before). Use the grapple to get the statue.
1/1 - Gold
You will have to remain in the same place. Step up to the ledge and climb down (#1). Now you will have to start moving towards the left side of the screen. There are some narrow ledges here (#2). You'll be able to use them.
You shouldn't have any problem along the way (#1). Most of the jumps are very obvious. You should be able to reach a small area within just a few seconds. Climb up and pick up your reward (#2). Now you will only have to go back to the upper platform.
5/9 - Bronze
Once you've cleared out a large area that was occupied by enemy forces, turn left and start moving forward. The statue is by one of the walls (near the river).
4/6 - Silver
Remain in the same area. Now you will have to turn around (Lara should be facing the entrance). Start shooting at the upper (icy) wall (#2). Once it's gone, use one of the nearby platforms to reach this new area. A silver reward can be found here (#2). Pick it up.
6/9 - Bronze
The next artifact is in a very obvious place. Once you're at the top platform, you will be able to take it without any problem. It'll be on your left.
7/9 - Bronze
Once you have used the slipway, start moving forward. Look for an opening on your left. Here's where you'll find your prize.
5/6 - Silver
The next reward is hidden in an underground river. There's going to be a small platform on your left. You will have to make a jump towards it. Thankfully, it shouldn't be much of a problem.
6/6 - Silver
Once you've reached the main complex, kill the animal and head on to the right stairs. You will have to reach the ground floor. Turn right. There's a broken wall here (#1). Start shooting at it. After that, make a single jump and collect your reward (#2).
8/9 - Bronze
Two of the remaining bronze statues are hidden near the main puzzle. Start off by using the left stairs. They will lead you to a new corridor. That's where you'll pick up the statue.
9/9 - Bronze
Get back to the main puzzle. This time you will have to use stairs that are located on your right. You shouldn't have any problems with finding the last statue.