|
|
Conclusions
© Charles Chandler
The following table compares the performance of various hypotheses concerned rille formation, on the Moon and on Mars. 1
SYMBOLS:
A. Predictable
B. Permissible
C. Unexpected
O. Irrelevant
X. Impossible
|
erosion via water |
erosion gas cloud |
formed by gas blow |
formed by lava tube |
electric eruption |
impact crack |
wider at high end |
C |
C |
O |
B |
A |
B |
channel sinuous |
A |
C |
O |
C |
A |
B |
upper end crater |
B |
B |
O |
B |
A |
A |
ends at diff. elev. |
A |
A |
O |
A |
A |
B |
no out wash dep. |
C-X |
C-X |
B |
C-X |
A |
A |
no chan. bridges |
A |
A |
O |
B-C |
A |
A |
chan. cratering |
O |
O |
A |
O |
A |
A |
trav. high ground |
X |
X |
B |
X |
B |
B |
stray fr. surf. dip |
C-X |
C-X |
B |
C-X |
B |
B |
on ridge crest |
X |
X |
A |
B |
A |
B |
strata exposure |
B |
B |
A |
C-X |
A-B |
A |
strata upturned |
X |
X |
A |
X |
A |
A |
rille clustering |
C |
C |
B-C |
B-C |
A-B |
A |
rille crossing |
C-X |
C-X |
A-O |
C-X |
B |
B |
2nd rille in bottom |
B |
C |
C |
C |
B |
B |
distinct rille/crater |
X |
|
|
X |
C |
A |
|