Artist: Sleep
Song: the Druid
Album: Sleep's Holy Mountain
Tuning: Drop C
Tempo: Moderate
Distortion: Heavy~Fuzzy

legend:
pm= Palm Muting
v= Vibrato
b= Bend


Riff 1:
1|-------------------------------------------------------------------------|
2|-------------------------------------------------------------------------|
3|-------------------------------------------------------------------------|
4|-------------------------------------------------------------------------|
5|----12-10-12----12-12-10-10-12----12-10-12-17-15----12-10-12----12-12-10-|
6|-00-12-10-12-00-12-12-10-10-12-00-12-10-12-17-15-00-12-10-12-00-12-12-10-|
   pm          pm             v  pm             v  pm          pm

1|------------------------|
2|------------------------|
3|------------------------|
4|------------------------|
5|-10-12----12-10-12-5-7--|
6|-10-12-00-12-10-12-5-7--|
         pm            v

Riff 2:
1|----------------|
2|----------------|
3|----------------|
4|----------------|
5|-7-10-12---(12)-|
6|-7-10-12---(12)-|
           b   v

Quite frankly, I don't have a clue what he did on the solo. Just make something up. 
With enough distortion nobody will be able to tell the difference anyway.