Rock Ages

The Peter Russell Rock Garden Rocks sorted by Eon, youngest to oldset.

Skip to:

Phanerozoic

Precambrian 

Phanerozoic

Picture	Rock Name	Rock Number	Rock Age	Time Period
	Glacial Striae (Scratches) on Lorrain Quartzite	32	Less than 1 million years old	Quarternary
	Granite Gneiss Boulder	11	2-1 Million years old	Quaternary
	Garnet Rich Gabbroic Anorthosite	69	2.5-0.5 Million years old	Tertiary
	Shatter Cones Structures Sudbury Impact Center	40	2.5-0.5 Million years old	Tertiary
	Columnar Basalt with Peridotite Xenoliths	58	50 Million years old	Tertiary
	Columnar Dacite showing flow banding	57	50 Million years old	Tertiary
	Porphyritic Biotite Granite	64	60 Million years old	Tertiary
	Massive Sulphide Ore	80	110 - 65 million years ago	Cretaceous
	Columnar Basalt	75	201 Million years ago	Jurassic
	Petrified Wood	76	225 Million years ago	Triassic
	Red-beds Sandstone	78	295 Million years ago	Permian
	Anthracite Coal	68	318-299 Million years old	Carboniferous
	Wallace Sandstone	77	323-299 Million years old	Carboniferous
	Sediment-hosted Zinc-lead ore	73	338 Million years old	Carboniferous
	Frank Slide Boulder	55	350-300 Million years old	Carboniferous
	Nephrite Jade	65	359-299 Million years old	Carboniferous
	Columbus Limestone	35	380 Million years old	Devonian
	Red Granite	72	428-426 Million years old	Silurian
	Dolostone with Calcite	26-27	440-420 Million years old	Silurian
	Lockport Dolostone	25	440-420 Million years old	Silurian
	Tyndall Stone	63	450 Million years old	Ordovician
	Ophiolites	74	485 Million years old	Ordovician
	Peridotite inclusion in Serpentinite	67	488-443 Million years old	Ordovician
	Serpentinite	66	488-443 Million years old	Ordovician
	Lead-Zinc Ore	79	541-485 million years ago	Cambrian

Precambrian 

Picture	Rock Name	Rock Number	Rock Age	Time Era
	Potsdam Sandstone	29-31	545-248 Million years old	Neopoterozoic Eta - Phanerzoic, Permain Time Period
	Calcite Concretion	39	545-248 Million years old	Neopoterozoic Eta - Phanerzoic, Permain Time Period
	Fossil Coral Colony Favosites	38	545-248 Million years old	Neopoterozoic Eta - Phanerzoic, Permain Time Period
	Laminated Eramosa Dolostone	28	545-248 Million years old	Neopoterozoic Eta - Phanerzoic, Permain Time Period
	Amabel Formation, Dolostone	24	545-248 Million years old	Neopoterozoic Eta - Phanerzoic, Permain Time Period
	Slate	60	545-248 Million years old	Neopoterozoic Eta - Phanerzoic, Permain Time Period
	Jabobsville Sandstone	9	Approximately 550 Million years old	Neoproterozoic
	Larvikite	16	Approximately 1 Billion years old	Neoproterozoic
	Gneiss	10	1 Billion years old	Mesoproterozoic
	Muscovite-Rich Quartzite	12	1 Billion years old	Mesoproterozoic
	Calcite Garnet Pyrite	33	1 Billion years old	Mesoproterozoic
	Magnetite Skarn	34	1 Billion years old	Mesoproterozoic
	Epidote Garnet Skarn	36	1 Billion years old	Mesoproterozoic
	Sodalite Syenite	41	1 Billion years old	Mesoproterozoic
	Nepheline Syenite	43	1 Billion years old	Mesoproterozoic
	Folded Marble	44	1 Billion years old	Mesoproterozoic
	Rose Quartz	46	1 Billion years old	Mesoproterozoic
	Chalcopyrite	47	1 Billion years old	Mesoproterozoic
	Nickel-Copper Ore	48	1 Billion years old	Mesoproterozoic
	Stromatolite Fossils	50	1 Billion years old	Mesoproterozoic
	Amethyst Quartz Breccia	51	1 Billion years old	Mesoproterozoic
	Granite	54	1 Billion years old	Mesoproterozoic
	50th Aniverssary Gneiss	59	1 Billion years old	Mesoproterozoic
	Labradorite	56	1.5 Billion years old	Mesoproterozoic
	Metabasalt	62	Approximately 2 Billion years old	Paleoproterozoic
	Anorthosite	37	2.5-0.5 Billion years old	Paleoprotozoic-Neoproterzoic
	Porphyritic Diabase	18	2.5-1 Billion years old	Paleoprotozoic-Neoproterzoic
	Lorrain Jasper Conglomerate	1	2.5-2.2 Billion years old	Paleoproterozoic
	Lorrain Quartzite	2	2.5-2.2 Billion years old	Paleoproterozoic
	Green Lorrain Quartzite	3	2.5-2.2 Billion years old	Paleoproterozoic
	Gordon Lake Cherty Siltstone	4	2.5-2.2 Billion years old	Paleoproterozoic
	Gowganda Boulder Conglomerate	5	2.5-2.2 Billion years old	Paleoproterozoic
	Matinenda Conglomerate	6	2.5-2.2 Billion years old	Paleoproterozoic
	Keweenawan Conglomerate	7	2.5-2.2 Billion years old	Paleoproterozoic
	Keweenawan Basalt	8	2.5-2.2 Billion years old	Paleoproterozoic
	Serpentine Marble	45	2.5-2.2 Billion years old	Paleoproterozoic
	Stromatolite Marble	49	2.5-2.2 Billion years old	Paleoproterozoic
	Transition Zone between Lorrain Qaurtzite and Gordon Lake Siltstone	52	2.5-2.2 Billion years old	Paleoproterozoic
	Lepidolite	61	2.5-2.2 Billion years old	Paleoproterozoic
	Purple Lorrain Quartizite	53	2.64 Billion years old	Neoarchean
	Shear-hosted lode gold in Breccia	70	2.7 Billion years old	Neoarchean
	Quartz Carbonate Fuchsite Serpentinite	13	3.8-2.5 Billion years old	Eoarchean-Mesoarchean
	Carbonated Basalt with Quartz Veins	14	3.8-2.5 Billion years old	Eoarchean-Mesoarchean
	Carbonated Mafic and Felsic Igneous Rocks with Green chrome Mica Quartz veins and Pyrite	15	3.8-2.5 Billion years old	Eoarchean-Mesoarchean
	Altered Pyroxenite with Aphyric syenite dikes	17	3.8-2.5 Billion years old	Eoarchean-Mesoarchean
	Gold Ore	19	3.8-2.5 Billion years old	Eoarchean-Mesoarchean
	Banded Iron Formation (Magnetite)	20	3.8-2.5 Billion years old	Eoarchean-Mesoarchean
	Siderite	21-22	3.8-2.5 Billion years old	Eoarchean-Mesoarchean
	Cobalt-Nickel Vein	23	3.8-2.5 Billion years old	Eoarchean-Mesoarchean
	Oldest Rock in the World Tonalitic Gneiss	71	4.03-3.96 Billion years old	Eoarchean