Categori Pridd Carthu
|
Ansawdd y Pridd |
Dull Trin |
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|
Categori |
gwladwriaeth |
N-werth |
|
|
tywod cleiog |
diferu |
<4 |
pwmp, cydio |
|
silt meddal |
4~10 |
pwmp, cydio |
|
|
silt niwtron |
10~20 |
pwmp, cydio |
|
|
anhyblyg |
20~30 |
pwmp, cydio |
|
|
caled |
30~40 |
tor(cydio)-rhaw |
|
|
hynod o galed |
40~50 |
tor(cydio)-rhaw |
|
|
silt tywodlyd |
meddal |
<10 |
pwmp, cydio |
|
niwtron |
10~20 |
pwmp, cydio |
|
|
anhyblyg |
20~30 |
pwmp, cydio |
|
|
caled |
30~40 |
pwmp + toriad (cydio) + rhaw |
|
|
hynod o galed |
40~50 |
torri(cydio) + rhaw |
|
|
tywod clai cymysg graeanog |
meddal |
<30 |
cydio |
|
anhyblyg |
＞30 |
torri(cydio) + rhaw |
|
|
silt tywod cymysg graean |
meddal |
<30 |
cydio |
|
anhyblyg |
＞30 |
torri(cydio) + rhaw |
|
|
haen roc |
meddal |
40~50 |
torri(cydio) + rhaw |
|
ychydig yn feddal |
50~60 |
torri(cydio) + rhaw |
|
|
niwtron |
torri(cydio) + rhaw |
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|
anhyblyg |
torri(cydio) + rhaw |
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|
anoddaf |
torri(cydio) + rhaw |
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|
graean |
llacio |
cydio |
|
|
cryno |
cydio+rhaw |
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