Roberts Mountains Formation

{{short description|Geologic formation in Nevada and Idaho}}

{{Infobox rockunit

| name = Roberts Mountains Formation

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| type = Geologic formation

| age = Silurian period

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| region = Nevada, Idaho

| country = United States

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| underlies = Lone Mountain Dolomite

| overlies = Hanson Creek Formation

| thickness = {{convert|600|ft|m}}

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The Roberts Mountains Formation is a geologic formation in Nevada and Idaho.

It preserves fossils dating back to the Silurian period.