• Introduction
• The Site(s)
  • Location
    • Description
    • Directions to the site
  • Maps
• Rules and Access
• Related Localities
• Paleontology
• Geology
  • Formations (youngest first)
  • Other Stuff
• References
• Copyright, Licensing, and such

Introduction

Ollenelid trilobite cephalons in Lower Cambrian shales in the Nopah Range, Inyo County, CA

The Site(s)

Location

Emigrant Pass -- 35.8856N,-116.0603W

Description

Slightly distorted trilobite cephalons in somewhat metamorphised slates/shales.

Directions to the site

From most places where people live, take I15 to Baker, CA

• Exit at Baker and proceed North on CA127 -- Death Valley Rd to junction with Old Spanish Trail. - 77km(48mi)
• Turn right on Old Spanish trail and proceed through Tecopa to Emigrant Pass. The exposure is at the pass on the South side of the road. - 23km(14.3mi)

It is also possible to get to the site by turning West on Old Spanish trail from NV160 about 25km SouthWest of Pahrump, NV.

• From Pahrump, SouthEast on NV160 for 24.8km(15,4mi)
• Right on Old Spanish Trail and proceed 39.4km(24.4mi) to Emigrant Pass.

Maps

Rules and Access

Although the site is within the Nopah Wilderness Area, it is in the setback along a paved road called the Old Spanish Trail. Collecting fossils is permitted in this small area, but not in the areas further from the road

Related Localities

TBPL

Paleontology

A limited fauna is exposed at Emigrant pass consisting of trilobite cephalons from the closely related genera Olenellus,Bristolia and Peachella. Complete trilobites have been found at this site, but they are extremely rare.

Geology

Formations (youngest first)

• Bonanza King Limestone -- Thick deposits of Middle Cambrian dolomite and limestone
• Carrerra Formation -- 500 meter of occasionally fossiliferous Lower and Middle Cambrian shales and siltstones
• Zabriskie Quartzite -- a few tens of meters of pure unfossiliferous white quartzite
• Wood Canyon -- Sparsely fossiliferous Ediacaran and Lower Cambrian shales and sandstones.

Other Stuff

• "Hastings Springs","Inyo","CA","E in sw1/4s36t21nr8e in (35.8769 116.0745 on crest of Nopah range about 1.6km WSW of Emigrant Pass. Google pro)","Cambrian Lower","Silver Peak Group","Billingsella","CA0088"_{,"35.8769,-116.0745, sw1/4s36t21nr8e","|"},
• "Nopah Range","Inyo","CA","(Sundburg-1983)","Cambrian,Lower","Carrara","Ichnofossils-Skolithos","CA0597"_{"https://etd.ohiolink.edu/ap:10:0::NO:10:P10_ACCESSION_NUM:toledo1116014816","36.0061,-116.0794}MCU","|",,,
• "Nopah Range","Inyo","CA","At Emigrant Pass on Old Spanish Trail","Cambrian Lower","Carrara","Olenellus,Bristolia,Peachella","CA0094"_{,"36.0061,-116.0794}MCU","|",,,
• "Nopah Range","Inyo","CA","At the base of the Cambrian Nopah Formation","Cambrian","Nopah","trilobites,brachiopods","CA0095"_{,"36.0061,-116.0794}MCU","|",,,

References

• http://inyo.coffeecup.com/site/cf/carfieldtrip.html

Copyright, Licensing, and such

Copyright 2010 Donald Kenney (Donald.Kenney@GMail.com). Unless otherwise stated, permission is hereby granted to use any materials on these pages under the Creative Commons License V2.5 see http://creativecommons.org/licenses/by/2.5/.

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