| 词条 | Pircancha Formation |
| 释义 |
| name = Pircancha Formation | image = | caption = | type = Geological formation | period = Dapingian | age = Floian-Dapingian ~{{fossil range|478|466}} | prilithology = Mudstone | otherlithology = Shale, sandstone, pyrite | namedfor = | namedby = | region = Tarija Department | country = {{BOL}} | coordinates = {{coord|21.0|S|65.0|W|display=inline,title}} | paleocoordinates = {{coord|45.3|S|129.1|W|display=inline}} | unitof = | subunits = | underlies = | overlies = | thickness = {{convert|1800|m|ft|abbr=on}} | extent = | area = | map = {{Location map+ | Bolivia | relief = 1 | width = 250 | float = center | places = | lat_deg = -21.2 | lon_deg = -65.1 | mark = Dark Green 004040 pog.svg | marksize = 10 }} {{Location map~ | Bolivia| lat_deg = -21.0 | lon_deg = -65.0 | mark = Dark Green 004040 pog.svg | marksize = 10 }} | map_caption = }} The Pircancha Formation is a Floian to Dapingian geologic formation of southern Bolivia. The green mudstones, shales and sandstones were deposited in a shallow to open marine environment.[1][2] The fossil Pircanchaspis rinconensis is named after the formation. Fossil contentThe formation has provided the following fossils: {{div col|colwidth=20em}}
See also{{Portal|Geology|Paleontology|Ordovician|Prehistory of South America}}
References1. ^"Rincon", "Escuela Seccional de Puesto Grande" at Fossilworks.org 2. ^Pircancha Fm., Tarija and Chilcayo at Fossilworks.org 3. ^Aubrechtová, 2015 Bibliography
Further reading
13 : Geologic formations of Bolivia|Ordovician System of South America|Ordovician Bolivia|Dapingian|Floian|Mudstone formations|Shale formations|Sandstone formations|Open marine deposits|Shallow marine deposits|Ordovician southern paleotemperate deposits|Paleontology in Bolivia|Geography of Tarija Department |
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