mother lode

(redirected from a mother lode)

mother lode

1. In mining, the main source of a mineral in given area. We haven't hit the mother lode of silver quite yet—but we will!
2. By extension, an abundance of something. I wasn't looking to expand my record collection, but I sure hit the mother lode when I cleaned out my parents' attic! It's an exciting time to be a researcher in this field, as a mother lode of new data was recently released.
See also: lode, mother
References in periodicals archive ?
The National Personnel Records Center in Overland, Missouri, recently unsealed the first batch of what is expected to be "a mother lode" collection of interest to military historians, biographers, and genealogists.
In this framework, by the time a Jupiterlike planet begins its inward spiral, a mother lode of debris and small, embryonic planets has already built up close to the parent star.
It provides a central source for cartoonists and gag writers to track their progress, keep abreast of editors' needs, "and mine a mother lode of mirth for new ideas," according to editor-in-chief and publisher Bill Keough.
Because the fakeness of these images is so sharply rendered, one enters each one as a densely tangled source, a mother lode, of the fantastic and the imaginary.
Alarmed by a looming environmental disaster--the coastal waters are a mother lode for local fishermen, the rugged shore a wildlife haven--the Spanish government ordered Prestige to halt.
And collectors of proverbs and aphorisms know they are close to a mother lode when they find a quote like this one.
As a public relations, advertising and marketing resource, it provides a mother lode of material.
For fossil hunters, 1999 was a mother lode. Paleontologists (fossil unearthed a perfectly intact wooly mammoth, assembled the longest-necked dinosaur, and uncovered what may be the world's oldest tree.
Working near the northern limit of land, on Canada's remote Victoria Island, scientists have unearthed a mother lode of microscopic fossils, chronicling an evolutionary explosion among complex cells more than 800 million years ago.