I'm assuming you know the number of slots you have in those powers is completely barmy?
Stone Skin and no Rock Armour? You might want to think about Minerals as well.
Combat Jumping can't be used with Rooted or Granite.
With a Stone tank I most definitely would not take the Fighting pool.
You will go insane without Hasten in Granite. Likewise, I would think about Teleport when using Granite.
Rage at level 49?! Get it asap.
agree with most points (leaping pool is kinda no good). I took the flight pool, extra attack and easy traveling with extra support from the teleport pool.
Rock armor i never took, only stone skin. Using rooted/health was enough to solo missions that were easy, all other cases i was going into Granite. As long you wont fight +2/3 carnie/clockwork king there isnt realy much use going minerals, with only rooted and some purple's i did it just fine. Maybe with the new defence system in I7, it might be a better choice to take, but during my lvl'ing-time it wasnt.
Fighting pool became a bit obsolete now, but with tough you cap out the s/l resist again due GA-ED.
Recently i've been testing my GA without hasten, since the downtime of hasten in GA is already pretty long. Most powers need 3 recharge SO's to go around, but with enough attacks you can go around pretty good. Downside, 6slots is just too few to slot them recharge, acc, damage and endreds. 
50)Sinergy X/(50)Mika.
(50)MaceX/(50)Encore
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[ QUOTE ]
Any glaring errors? 
Leave the Enhs. to me
[/ QUOTE ]
well ok we'll leave the enhancements to you but the glaring errors seem to me to be your amount of slotting in some of the powers and the levels you slot them in at, needs work dude 
He will honor his words; he will definitely carry out his actions. What he promises he will fulfill. He does not care about his bodily self, putting his life and death aside to come forward for another's troubled besiegement. He does not boast about his ability, or shamelessly extol his own virtues. - Sima Qian.
sure granite armor is amaizing but the other armors are there for a reason, for example if you plannin PvP you best hope they ain't using big debuff on you like rad, granite will do nothing for you if you got a nice big green anchor on you, i will be taking minerals purly so i can do something that resembles tanking agaist pure psi
---------------------------------------------
Exported from Ver: 1.7.6.0 of the CoH_CoV Character Builder
---------------------------------------------
Name:
Level: 50
Archetype: Tanker
Primary: Stone Armor
Secondary: Super Strength
---------------------------------------------
01) --> Stone Skin==> Empty(1)Empty(3)Empty(7)Empty(21)Empty(40)Empty(42)
01) --> Jab==> Empty(1)Empty(5)Empty(25)
02) --> Earth's Embrace==> Empty(2)Empty(3)Empty(9)Empty(43)Empty(43)Empty(46)
04) --> Haymaker==> Empty(4)Empty(5)Empty(13)
06) --> Mud Pots==> Empty(6)Empty(7)Empty(11)Empty(37)Empty(46)Empty(46)
08) --> Rooted==> Empty(8)Empty(9)Empty(13)Empty(43)Empty(48)Empty(48)
10) --> Taunt==> Empty(10)Empty(11)Empty(27)
12) --> Combat Jumping==> Empty(12)
14) --> Super Jump==> Empty(14)Empty(15)Empty(15)
16) --> Swift==> Empty(16)Empty(17)Empty(17)Empty(27)Empty(40)
18) --> Health==> Empty(18)Empty(19)Empty(19)Empty(40)
20) --> Knockout Blow==> Empty(20)Empty(21)Empty(25)
22) --> Stamina==> Empty(22)Empty(23)Empty(23)Empty(31)
24) --> Kick==> Empty(24)Empty(42)Empty(42)Empty(50)Empty(42)
26) --> Tough==> Empty(26)Empty(29)Empty(31)Empty(37)
28) --> Weave==> Empty(28)Empty(29)Empty(31)Empty(34)Empty(37)Empty(34)
30) --> Punch==> Empty(30)Empty(34)
32) --> Granite Armor==> Empty(32)Empty(33)Empty(33)Empty(33)Empty(34)Empty(36)
35) --> Hurl==> Empty(35)Empty(36)Empty(36)
38) --> Foot Stomp==> Empty(38)Empty(39)Empty(39)Empty(39)
41) --> Focused Accuracy==> Empty(41)Empty(45)Empty(45)
44) --> Laser Beam Eyes==> Empty(44)Empty(45)Empty(48)
47) --> Energy Torrent==> Empty(47)Empty(50)Empty(50)
49) --> Rage==> Empty(49)
---------------------------------------------
01) --> Sprint==> Empty(1)
01) --> Brawl==> Empty(1)
01) --> Gauntlet==> Empty(1)
02) --> Rest==> Empty(2)
---------------------------------------------
Any glaring errors?
Leave the Enhs. to me