Chapter M

Mackenzie, Colonel Ranald: 3
mammals: 27
Marcy, Captain R. B.: 6
mass-wasting: 31
mastodon, shovel-jawed: 27
mechanical weathering: 30
metamorphic rocks: 10
mortar hole: 25

O
Observation Point: 33
Ogallala Formation: 21, 23-27, 42
opal: 26
oxidation: 31

P
Paleozoic Era: 13
Palo Duro Canyon State Park: 7, 14, 45
Panhandle-Plains Historical Museum: 2, 27, 45-46
Park Entrance: 33
park history: 3-8
Park Road 5: 33, 38, 50
Parker, Chief Quanah: 7
Pecos River: 8
pedestal rock: 25
petrified wood: 22
photography: 43
phytosaurs: 22
picnicking and camping: 43
Pioneer Amphitheatre: 33-34
Plains Indians: 3
Pleistocene rocks: 28
time: 3
Pliocene Epoch: 27
Prairie Dog Town Fork of the Red River: 1, 29, 39
Precambrian rocks: 13
principle of superposition: 13
Proterozoic rocks: 13
psilomelane: 22

Q
Quartermaster Formation: 12, 17-19, 20, 21, 31, 36, 37, 42, 44

R
Red River: 8, 29
reduction halos: 19, 20
ripple marks: 19
Rock Garden, The: 23, 40, 43
Rocky Mountains: 24

S
saber-tooth cat: 27
Sad Monkey, Texas: 36
Railroad: 6, 20, 23, 35
Santana’s Face: 23, 37, 38
satin spar: 17
Scenic Drive, The: 33
sedimentary rocks: 10
sediments: 10
selenite: 17
septaria: 22
septarian concretions: 22
shovel-jawed mastodon: 27
Sky Ride, The: 37
Sleeping Indian: 40, 42
sloths: 27
siliceous rocks: 27
solution: 29
Spanish Skirts: 19, 37
suffosian: 19
Sunday Canyon: 40
superposition, principle of: 13
suspension: 29
synclines: 18

T
talus: 31
talus slopes: 31
Tecovas Formation: 19-22, 36, 37, 42, 44
Texas Panhandle: 9
Texas Panhandle Heritage Foundation, Inc.: 35
Texas Parks and Wildlife Department: 2
Texas-Santa Fe Expedition: 6
Timber Mesa: 1, 23, 37, 38
time scale, geologic: 11, 12
tortoises: 27
Triassic Peak: 1, 35
Trujillo Formation: 20, 21, 22-23, 36, 38, 42, 43
Turnaround, The: 1, 41, 44

U
unconformities: 21

W
water crossings: 39
weathering: 30
West Texas State University: 45
Wolfin, Charles A.: 1

Footnotes

[1]Professor of Geology, Lamar State College of Technology, Beaumont,
Texas.

[2]Entries marked with asterisk are published by the Bureau of Economic
Geology, The University of Texas at Austin. Those not out of print
are distributed at nominal sale price; list sent on request.

Transcriber’s Notes

--This book, published without copyright notice, is in the public
domain.

--Silently corrected a few palpable typos.

--Added links to glossary entries.