What is Adirondack Mountains?
[[Image:Adirondacks_Mount_Marcy_From_Mount_Haystack.JPG|right|thumb|200px|Mount Marcy in the Adirondacks mountain range]] The '''Adirondack Mountains''' are a [[mountain range]] in the northeastern part of [[New York (state)|New York]] in the [[United States]]. The highest mountain in the range is [[Mount Marcy]], at {{convert|1,629|m|ft|abbr=on}}, in [[Keene, New York|Keene]], New York. == Origins == The Adirondack Mountains are not part of the [[Appalachian Mountains]]. They are a continuation of the [[Canadian Shield]]. Their origin is extremely ancient, dating back to the [[Mesoproterozoic]] era, in what is called the [[Grenville orogeny]]. After that old chain had been eroded away, recent uplifts produced the mountains we see today.<ref>{{Cite book|url=https://www.worldcat.org/oclc/76831160|title=Why the Adirondacks look the way they do : a natural history|last=Storey|first=Mike|date=2006|publisher=Storey|isbn=0-9777172-0-8|location=[Place of publication not identified]|oclc=76831160}}</ref> == References == {{reflist}} {{New York}} {{authority control}} [[Category:Mountain ranges of the United States]] [[Category:Geography of New York (state)]] {{US-geo-stub}}