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Day 3: Sunday, May
16th, 2004
Florissant Fossil Beds
- Collegiate Mountains - Rio Grande Rift - San Luis Valley - Sawatch Mountains
- San Juan Mountains
By David Peake
Day 3 of our trip was
mainly taken up by driving through Colorado looking at great sceneries.
If anywhere but the west, the amount of driving probably would have seemed
a bit dull but the west filled us with a better understanding of nature’s
ways and beauty.
Proceeding through
pine forests interrupted by grassy meadows with Pikes Peak visible to
the southeast to get to our first stop, Florissant Fossil Beds National
Monument, the drive seemed harmonic and delightful. Discovered by Dr.
A.C. Peale of the USGS in 1874, the park exhibits 34 to 35 million year
old catastrophic volcanic events by the Guffey volcanic center about 18
miles to the southwest. Alternating between lahar and gaseous eruptions,
Guffey destroyed and preserved different forest and lake environments
that give Florissant Fossil Beds National Monument a rich fossil display.
About 60,000 to 80,000 plant and animal specimens have been discovered
in the beds of which 1,100 are insect species, 114 plant species and several
fish, bird, and animal species. We made a quick look around the simple
visitor center filled with mostly plant and insect fossils before taking
a mile long trail to look at petrified Sequoia trunks. Living during the
Eocene Epoch in an ice free world, the trees have since been excavated
exposing them to the environment causing them to deteriorate quickly.
Looking at 7 different trunk remnants, most having metal support pegs
and rings, each gave a little different insight into the sequoia structures
or history. Some of the trunks stood about 12 feet high with 10 feet diameters
showing oxidation giving red and yellow colorations. Others had visible
root structures or visible tree rings. One of the larger stumps even had
saw blades stuck into the stone stumps where pioneers tried to cut out
pieces of the ancient sequoia.
After
we left the park we continued down Highway 24 driving along the scenic
Collegiate Mountains. We stopped at an overlook, scrambled up a road cut
with loose rocks and awed at the snow peaked mountains and the valley
below. While in a valley we encountered Pennsylvanian halite evaporites
indicating an ancient dried up lake. An hour or two more down the road
we stopped again at an elevated area to see the Rio Grande Rift with the
Johnson Village along the Arkansas River below us. From here we got great
shots of Severio, Antero, Princeton, Yale, Harvard and Columbia Mountains,
aka the Collegiate Mountains. Continuing through the Rio Grande Rift the
Sawatch Mountains became visible. Ron originally recognized that we are
out of the Collegiate Mountains range because the new mountains display
different compositional and erosional habits but incorrectly hypothesized
that they were the San Juan’s. After reading up on the area Kate
concludes that we are most likely in the Sawatch. The moral of the story
being Ron does not know everything.
Somehow
during the first few days of the trip we somehow simply lost a sleeping
bag. We stopped in the small town of Salida and wasted about an hour looking
for a place to buy a reasonably priced sleeping bag and ended up going
to a Wal-Mart and finding a great buy along with getting an inexpensive
dinner. The mystery of what happen to the sleeping bag was never unfolded.
Continuing
down the road through the San Luis Valley, we made a few more stops to
look at road cuts and scenic overviews. We stopped and looked at the Sangre
de Cristo Range showing great examples of glacial erosion and deposition
and alluvial fan systems. To the south we could see ourselves approach
and then pass the Great Sand Dunes, a previously planned stop but after
wasting the hour in Salida decided unfortunately we did not have enough
time to spend there. To the south the San Juan Mountains became visible.
We knew
that we had left the Sawatch Mountains and had entered the San Juan Mountains
when we started to encounter Tertiary igneous rocks. We stopped at a road
cut and saw evidence for huge volcanic eruptions that hurled 5x5 foot
rock bombs into the air. Some of the rocks in the volcanic debris show
layers indicating that a stratigraphic volcano simply blew itself up.
One road cut we stopped at showed some interesting volcanic history. The
bottom layer consisted of the conglomerates that included everything from
the huge bombs to sand and silt size particles indicating explosive volcanic
activity. Directly above the conglomerate layer was a powdery crumbly
white lapilli layer formed from volcanic ashes. Topping the lapilli is
black vesicle filled basalt with olivine indicating evidence for ahah
and mafic basalts.
The
San Luis Valley being a semi-arid environment may make one come to the
conclusion that the valley would be dry and brown. To the contrary, the
valley contained lush green grain fields with huge irrigation systems
spurting out copious amount of precious water. Field after field the farmers
have for some reason decided that this environment is just fine for their
crops. We took pictures so Ron could use these farming tactics as bad
examples of water usage.
The San Juan Mountains proved to be our resting place for the day. The
only problem with setting up camp, however, was finding the location.
We were following State Route 15 when we turned off onto a dirt road called
X Rd. Truthfully not a very welcoming name for a road to me. The road
was in good condition but definitely a little nerve wrecking or exhilarating
depending on the person when we took hair pin turns that if missed would
mean certain death. The road followed a little stream through the glacially
carved U-shaped valley with a steep uphill on one side of the road and
a fierce sudden death drop on the downhill side. The beautiful snow melt
stream showed evidence of flooding or erosion by its brown suspension
load. The stream must get ferocious at times forming the large cut banks
and point bars with whole trees being torn apart and carried with it.
The snowmelt at the time was coming from the northern facing part of the
valley still with snow patches visible in the warm air. We pass a small
mining town of Jasper along the road and finally knew we were nearing
the cabin.
Turning
off of X Rd. onto a poorly managed road and to which the white van barely
fit the sun started to set and night approached. Nate Henderson, the only
person that has ever been to the cabin, but not in about 10 years, had
only a faint idea of what the area looks like or where it remotely was.
We drove around and hit a dead end and realized that we were not on the
right road. We passed many possible turn offs and become uncertain of
when or if we would even find the cabin. After trying a few other dead
end roads and the white van getting harder and harder to maneuver in the
dark, we started to debate whether it would be worth just stopping and
pitching the tents where we were. Nate H. would not stand for it and wanted
to try a few other options. The little minivan ended back on X Rd. and
found another turn off that fortunately led us to the cabin to the delight
of Ron, who had started to get a little sour about the whole ordeal.
Nathan’s dad graciously invited us to stay in a cabin that he and
some friends built while they were in college during the ’70s. The
story goes that he and his colleagues found some cheap land up in the
mountains away from their college, Colorado College. They stole a cabin
building book out of a public library and built the simple rustic cabin
from scratch. The cabin is a single room equipped over the years with
everything a cabin could have. It contained pots, pans, plate, utensils,
most all the essential kitchen ware, and a stove in the corner of the
eastern and southern wall, a dining room table with pictures of previous
guests hanging above and an assortment of wooden and metal chairs in various
conditions surrounding the table along the western wall, tool shed equipment
(shovels, brooms, hoes, axes, hammers and a self full of nails and other
metal objects) are hidden in a corner behind the door facing south and
the western wall, a cot and deer skins hanging on the remaining northern
wall. All but the north facing wall had a window most likely to keep out
the chilling northern winds. Although a little crammed and dark as there
is no electricity, the cabin has a special comfy homey feeling to it.
The
excitement of finally finding the cabin caused everyone to jump out of
the vans and walk over the knoll that keeps the cabin isolated and hidden.
Nate’s father, Bunker, decided when he built the cabin that he did
not want to have cars visible when sitting there and so one must walk
about a hundred yards before getting to it. In the dark and excited after
exploring a little we went back and retrieved our luggage.
May
16th, 2004 not only represented the day that we arrived at the wonderful
cabin but also Andy Parker’s 11th birthday. That night we cooked
brats and hotdogs for dinner around a fire pit east of the cabin. The
environment of the group during the night was comfortable and close. Everyone
played some part in the cooking of the brats and hot dogs with someone
trying to cut the frozen brats in half, someone passing the brats to the
cook and then someone doing the rotating of the brats. Following the main
meat course, we brought out a crème cake and Andy’s birthday
gifts so Andy would have more of an official birthday even though he was
with his new older friends. I got the impression that the little guy was
a little bit shy around us still but I think that birthday was a hit for
all. After the cake, musical instruments came out. A couple of guitars
played and rotated by Nate H., Gabe, Tim, and Ron proved to be the central
entertainers with Tess bringing out her drum for beat. Others in the group
joined into the music by hitting sticks on sticks, rocks on rocks, cans
on cans, and hands on hands. Everyone seems to pull their weight and participate
in the group making for a great group of people. The music played into
the early morning and everyone enjoyed themselves.
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